87637852788 has 48 divisors (see below), whose sum is σ = 205876750464. Its totient is φ = 29014427520.

The previous prime is 87637852739. The next prime is 87637852789. The reversal of 87637852788 is 88725873678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87637852789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5261233 + ... + 5277863.

It is an arithmetic number, because the mean of its divisors is an integer number (4289098968).

Almost surely, 2^87637852788 is an apocalyptic number.

It is an amenable number.

87637852788 is an abundant number, since it is smaller than the sum of its proper divisors (118238897676).

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

87637852788 is a wasteful number, since it uses less digits than its factorization.

87637852788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592 (or 19590 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 69.

The spelling of 87637852788 in words is "eighty-seven billion, six hundred thirty-seven million, eight hundred fifty-two thousand, seven hundred eighty-eight".