86577422761881 has 8 divisors (see below), whose sum is σ = 128262848536160. Its totient is φ = 57718281841236.

The previous prime is 86577422761867. The next prime is 86577422761901. The reversal of 86577422761881 is 18816722477568.

86577422761881 is a `hidden beast` number, since 8 + 6 + 57 + 7 + 422 + 76 + 1 + 8 + 81 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-86577422761881 is a prime.

It is a super-2 number, since 2×86577422761881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86577422761801) 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, 1603285606675 + ... + 1603285606728.

It is an arithmetic number, because the mean of its divisors is an integer number (16032856067020).

Almost surely, 2^{86577422761881} is an apocalyptic number.

It is an amenable number.

86577422761881 is a deficient number, since it is larger than the sum of its proper divisors (41685425774279).

86577422761881 is a wasteful number, since it uses less digits than its factorization.

86577422761881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206571213412 (or 3206571213406 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 72.

The spelling of 86577422761881 in words is "eighty-six trillion, five hundred seventy-seven billion, four hundred twenty-two million, seven hundred sixty-one thousand, eight hundred eighty-one".