86788537880 has 64 divisors (see below), whose sum is σ = 213058853280. Its totient is φ = 31554662400.

The previous prime is 86788537861. The next prime is 86788537889. The reversal of 86788537880 is 8873588768.

It is a self number, because there is not a number n which added to its sum of digits gives 86788537880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86788537889) 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, 4256510 + ... + 4276850.

Almost surely, 2^86788537880 is an apocalyptic number.

It is an amenable number.

86788537880 is an abundant number, since it is smaller than the sum of its proper divisors (126270315400).

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

86788537880 is a wasteful number, since it uses less digits than its factorization.

86788537880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30060 (or 30056 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 68.

The spelling of 86788537880 in words is "eighty-six billion, seven hundred eighty-eight million, five hundred thirty-seven thousand, eight hundred eighty".