42418787877 has 24 divisors (see below), whose sum is σ = 65996330400. Its totient is φ = 26167766688.

The previous prime is 42418787869. The next prime is 42418787891. The reversal of 42418787877 is 77878781424.

42418787877 is a `hidden beast` number, since 424 + 1 + 8 + 78 + 78 + 77 = 666.

It is not a de Polignac number, because 42418787877 - 2³ = 42418787869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42418787857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2877102 + ... + 2891807.

It is an arithmetic number, because the mean of its divisors is an integer number (2749847100).

Almost surely, 2^42418787877 is an apocalyptic number.

It is an amenable number.

42418787877 is a deficient number, since it is larger than the sum of its proper divisors (23577542523).

42418787877 is a wasteful number, since it uses less digits than its factorization.

42418787877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768977 (or 5768974 counting only the distinct ones).

The product of its digits is 39337984, while the sum is 63.

The spelling of 42418787877 in words is "forty-two billion, four hundred eighteen million, seven hundred eighty-seven thousand, eight hundred seventy-seven".