86023156520 has 64 divisors (see below), whose sum is σ = 230819915520. Its totient is φ = 28211318784.

The previous prime is 86023156519. The next prime is 86023156561. The reversal of 86023156520 is 2565132068.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6672377 + ... + 6685256.

It is an arithmetic number, because the mean of its divisors is an integer number (3606561180).

Almost surely, 2^86023156520 is an apocalyptic number.

It is an amenable number.

86023156520 is an abundant number, since it is smaller than the sum of its proper divisors (144796759000).

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

86023156520 is a wasteful number, since it uses less digits than its factorization.

86023156520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357674 (or 13357670 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 86023156520 its reverse (2565132068), we get a palindrome (88588288588).

The spelling of 86023156520 in words is "eighty-six billion, twenty-three million, one hundred fifty-six thousand, five hundred twenty".