86888585772 has 36 divisors (see below), whose sum is σ = 225571121776. Its totient is φ = 28180081440.

The previous prime is 86888585761. The next prime is 86888585803. The reversal of 86888585772 is 27758588868.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86888585772.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32614504 + ... + 32617167.

Almost surely, 2^86888585772 is an apocalyptic number.

It is an amenable number.

86888585772 is an abundant number, since it is smaller than the sum of its proper divisors (138682536004).

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

86888585772 is a wasteful number, since it uses less digits than its factorization.

86888585772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65231718 (or 65231713 counting only the distinct ones).

The product of its digits is 481689600, while the sum is 72.

The spelling of 86888585772 in words is "eighty-six billion, eight hundred eighty-eight million, five hundred eighty-five thousand, seven hundred seventy-two".