86138155536 has 40 divisors (see below), whose sum is σ = 222733035840. Its totient is φ = 28685690496.

The previous prime is 86138155529. The next prime is 86138155561. The reversal of 86138155536 is 63555183168.

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, 793071 + ... + 895118.

It is an arithmetic number, because the mean of its divisors is an integer number (5568325896).

Almost surely, 2^86138155536 is an apocalyptic number.

It is an amenable number.

86138155536 is an abundant number, since it is smaller than the sum of its proper divisors (136594880304).

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

86138155536 is a wasteful number, since it uses less digits than its factorization.

86138155536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689263 (or 1689257 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The spelling of 86138155536 in words is "eighty-six billion, one hundred thirty-eight million, one hundred fifty-five thousand, five hundred thirty-six".