86108765553 has 16 divisors (see below), whose sum is σ = 127654737600. Its totient is φ = 57367055520.

The previous prime is 86108765543. The next prime is 86108765573. The reversal of 86108765553 is 35556780168.

86108765553 is a `hidden beast` number, since 8 + 6 + 1 + 0 + 87 + 6 + 5 + 553 = 666.

It is not a de Polignac number, because 86108765553 - 2⁴ = 86108765537 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86108765553.

It is not an unprimeable number, because it can be changed into a prime (86108765543) 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, 1036723 + ... + 1116696.

It is an arithmetic number, because the mean of its divisors is an integer number (7978421100).

Almost surely, 2^86108765553 is an apocalyptic number.

It is an amenable number.

86108765553 is a deficient number, since it is larger than the sum of its proper divisors (41545972047).

86108765553 is a wasteful number, since it uses less digits than its factorization.

86108765553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154909 (or 2154903 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 86108765553 in words is "eighty-six billion, one hundred eight million, seven hundred sixty-five thousand, five hundred fifty-three".