86155967790 has 64 divisors (see below), whose sum is σ = 235958713920. Its totient is φ = 22353978240.

The previous prime is 86155967783. The next prime is 86155967791. The reversal of 86155967790 is 9776955168.

86155967790 is a `hidden beast` number, since 8 + 6 + 1 + 559 + 6 + 7 + 79 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86155967791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4302121 + ... + 4322100.

It is an arithmetic number, because the mean of its divisors is an integer number (3686854905).

Almost surely, 2^86155967790 is an apocalyptic number.

86155967790 is an abundant number, since it is smaller than the sum of its proper divisors (149802746130).

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

86155967790 is a wasteful number, since it uses less digits than its factorization.

86155967790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624274 (or 8624268 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 86155967790 in words is "eighty-six billion, one hundred fifty-five million, nine hundred sixty-seven thousand, seven hundred ninety".