86324518881 has 10 divisors (see below), whose sum is σ = 128953911042. Its totient is φ = 57549679200.

The previous prime is 86324518799. The next prime is 86324518913. The reversal of 86324518881 is 18881542368.

86324518881 is a `hidden beast` number, since 8 + 6 + 32 + 451 + 88 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85682656656 + 641862225 = 292716^2 + 25335^2 .

It is not a de Polignac number, because 86324518881 - 2⁹ = 86324518369 is a prime.

It is a super-2 number, since 2×86324518881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86324568881) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 532867320 + ... + 532867481.

Almost surely, 2^86324518881 is an apocalyptic number.

86324518881 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

86324518881 is a deficient number, since it is larger than the sum of its proper divisors (42629392161).

86324518881 is a wasteful number, since it uses less digits than its factorization.

86324518881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065734813 (or 1065734804 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 86324518881 in words is "eighty-six billion, three hundred twenty-four million, five hundred eighteen thousand, eight hundred eighty-one".