86237135544 has 32 divisors (see below), whose sum is σ = 246391816320. Its totient is φ = 24639181536.

The previous prime is 86237135527. The next prime is 86237135549. The reversal of 86237135544 is 44553173268.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86237135493 and 86237135502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86237135549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256657974 + ... + 256658309.

It is an arithmetic number, because the mean of its divisors is an integer number (7699744260).

Almost surely, 2^86237135544 is an apocalyptic number.

86237135544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86237135544 is an abundant number, since it is smaller than the sum of its proper divisors (160154680776).

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

86237135544 is a wasteful number, since it uses less digits than its factorization.

86237135544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513316299 (or 513316295 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 86237135544 in words is "eighty-six billion, two hundred thirty-seven million, one hundred thirty-five thousand, five hundred forty-four".