87631798632 has 64 divisors (see below), whose sum is σ = 263554291200. Its totient is φ = 23719884480.

The previous prime is 87631798627. The next prime is 87631798633. The reversal of 87631798632 is 23689713678.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87631798633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723594 + ... + 13729977.

It is an arithmetic number, because the mean of its divisors is an integer number (4118035800).

Almost surely, 2^87631798632 is an apocalyptic number.

It is an amenable number.

87631798632 is an abundant number, since it is smaller than the sum of its proper divisors (175922492568).

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

87631798632 is a wasteful number, since it uses less digits than its factorization.

87631798632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27453606 (or 27453602 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 87631798632 in words is "eighty-seven billion, six hundred thirty-one million, seven hundred ninety-eight thousand, six hundred thirty-two".