8887977385965 has 48 divisors (see below), whose sum is σ = 15796959167808. Its totient is φ = 4621365163008.

The previous prime is 8887977385951. The next prime is 8887977385981. The reversal of 8887977385965 is 5695837797888.

8887977385965 is a `hidden beast` number, since 8 + 8 + 8 + 7 + 9 + 7 + 7 + 3 + 8 + 596 + 5 = 666.

It is not a de Polignac number, because 8887977385965 - 2⁵ = 8887977385933 is a prime.

It is a super-2 number, since 2×8887977385965² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14903007 + ... + 15487916.

It is an arithmetic number, because the mean of its divisors is an integer number (329103315996).

Almost surely, 2^{8887977385965} is an apocalyptic number.

It is an amenable number.

8887977385965 is a deficient number, since it is larger than the sum of its proper divisors (6908981781843).

8887977385965 is a wasteful number, since it uses less digits than its factorization.

8887977385965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391098 (or 30391095 counting only the distinct ones).

The product of its digits is 51209625600, while the sum is 90.

The spelling of 8887977385965 in words is "eight trillion, eight hundred eighty-seven billion, nine hundred seventy-seven million, three hundred eighty-five thousand, nine hundred sixty-five".