86207087231 has 4 divisors (see below), whose sum is σ = 86207709000. Its totient is φ = 86206465464.

The previous prime is 86207087171. The next prime is 86207087233. The reversal of 86207087231 is 13278070268.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86207087231 - 2²² = 86202892927 is a prime.

It is a super-2 number, since 2×86207087231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86207087233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165 + ... + 415233.

It is an arithmetic number, because the mean of its divisors is an integer number (21551927250).

Almost surely, 2^86207087231 is an apocalyptic number.

86207087231 is a deficient number, since it is larger than the sum of its proper divisors (621769).

86207087231 is a wasteful number, since it uses less digits than its factorization.

86207087231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621768.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 86207087231 in words is "eighty-six billion, two hundred seven million, eighty-seven thousand, two hundred thirty-one".