86538556021588 has 24 divisors (see below), whose sum is σ = 165213555008544. Its totient is φ = 39334853848800.

The previous prime is 86538556021531. The next prime is 86538556021627. The reversal of 86538556021588 is 88512065583568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19282570 + ... + 23342977.

It is an arithmetic number, because the mean of its divisors is an integer number (6883898125356).

Almost surely, 2^{86538556021588} is an apocalyptic number.

It is an amenable number.

86538556021588 is a deficient number, since it is larger than the sum of its proper divisors (78674998986956).

86538556021588 is a wasteful number, since it uses less digits than its factorization.

86538556021588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42671703 (or 42671701 counting only the distinct ones).

The product of its (nonzero) digits is 552960000, while the sum is 70.

The spelling of 86538556021588 in words is "eighty-six trillion, five hundred thirty-eight billion, five hundred fifty-six million, twenty-one thousand, five hundred eighty-eight".