86136295520 has 48 divisors (see below), whose sum is σ = 221996729808. Its totient is φ = 31322288640.

The previous prime is 86136295477. The next prime is 86136295571. The reversal of 86136295520 is 2559263168.

It is a super-2 number, since 2×86136295520² (a number of 23 digits) contains 22 as substring.

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, 24468779 + ... + 24472298.

It is an arithmetic number, because the mean of its divisors is an integer number (4624931871).

Almost surely, 2^86136295520 is an apocalyptic number.

86136295520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86136295520 is an abundant number, since it is smaller than the sum of its proper divisors (135860434288).

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

86136295520 is a wasteful number, since it uses less digits than its factorization.

86136295520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48941103 (or 48941095 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 86136295520 in words is "eighty-six billion, one hundred thirty-six million, two hundred ninety-five thousand, five hundred twenty".