42878787133536 has 96 divisors (see below), whose sum is σ = 125185622536800. Its totient is φ = 14278929799680.

The previous prime is 42878787133531. The next prime is 42878787133541. The reversal of 42878787133536 is 63533178787824.

42878787133536 is a `hidden beast` number, since 4 + 2 + 8 + 7 + 8 + 7 + 87 + 1 + 3 + 3 + 536 = 666.

42878787133536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42878787133531) and next prime (42878787133541).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878787133531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23421591 + ... + 25185878.

It is an arithmetic number, because the mean of its divisors is an integer number (1304016901425).

Almost surely, 2^{42878787133536} is an apocalyptic number.

It is an amenable number.

42878787133536 is an abundant number, since it is smaller than the sum of its proper divisors (82306835403264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42878787133536 is a wasteful number, since it uses less digits than its factorization.

42878787133536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48608509 (or 48608495 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 42878787133536 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred eighty-seven million, one hundred thirty-three thousand, five hundred thirty-six".