86556377862641 has 16 divisors (see below), whose sum is σ = 88045839636480. Its totient is φ = 85079675237760.

The previous prime is 86556377862571. The next prime is 86556377862671. The reversal of 86556377862641 is 14626877365568.

It is a cyclic number.

It is not a de Polignac number, because 86556377862641 - 2³⁸ = 86281499955697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86556377862671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164427386 + ... + 164952956.

It is an arithmetic number, because the mean of its divisors is an integer number (5502864977280).

Almost surely, 2^{86556377862641} is an apocalyptic number.

It is an amenable number.

86556377862641 is a deficient number, since it is larger than the sum of its proper divisors (1489461773839).

86556377862641 is a wasteful number, since it uses less digits than its factorization.

86556377862641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537704.

The product of its digits is 2438553600, while the sum is 74.

The spelling of 86556377862641 in words is "eighty-six trillion, five hundred fifty-six billion, three hundred seventy-seven million, eight hundred sixty-two thousand, six hundred forty-one".