86537400723 has 12 divisors (see below), whose sum is σ = 125271993288. Its totient is φ = 57565357920.

The previous prime is 86537400721. The next prime is 86537400731. The reversal of 86537400723 is 32700473568.

86537400723 is a `hidden beast` number, since 8 + 6 + 537 + 40 + 0 + 72 + 3 = 666.

It is not a de Polignac number, because 86537400723 - 2¹ = 86537400721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86537400721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10515873 + ... + 10524098.

It is an arithmetic number, because the mean of its divisors is an integer number (10439332774).

Almost surely, 2^86537400723 is an apocalyptic number.

86537400723 is a deficient number, since it is larger than the sum of its proper divisors (38734592565).

86537400723 is a wasteful number, since it uses less digits than its factorization.

86537400723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040434 (or 21040431 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 86537400723 in words is "eighty-six billion, five hundred thirty-seven million, four hundred thousand, seven hundred twenty-three".