42847157631708 has 36 divisors (see below), whose sum is σ = 108314394745648. Its totient is φ = 14281554864960.

The previous prime is 42847157631671. The next prime is 42847157631721. The reversal of 42847157631708 is 80713675174824.

It is a happy number.

42847157631708 is a `hidden beast` number, since 4 + 2 + 8 + 47 + 1 + 576 + 3 + 17 + 0 + 8 = 666.

42847157631708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×42847157631708³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33998041 + ... + 35235792.

Almost surely, 2^{42847157631708} is an apocalyptic number.

It is an amenable number.

42847157631708 is an abundant number, since it is smaller than the sum of its proper divisors (65467237113940).

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

42847157631708 is a wasteful number, since it uses less digits than its factorization.

42847157631708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69251034 (or 69251029 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 63.

The spelling of 42847157631708 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-seven million, six hundred thirty-one thousand, seven hundred eight".