969887669857 has 16 divisors (see below), whose sum is σ = 992910866112. Its totient is φ = 947147762880.

The previous prime is 969887669831. The next prime is 969887669903. The reversal of 969887669857 is 758966788969.

It is a de Polignac number, because none of the positive numbers 2^k-969887669857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969887669357) 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, 3901507 + ... + 4142647.

It is an arithmetic number, because the mean of its divisors is an integer number (62056929132).

Almost surely, 2^969887669857 is an apocalyptic number.

It is an amenable number.

969887669857 is a deficient number, since it is larger than the sum of its proper divisors (23023196255).

969887669857 is a wasteful number, since it uses less digits than its factorization.

969887669857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241728.

The product of its digits is 19752284160, while the sum is 88.

The spelling of 969887669857 in words is "nine hundred sixty-nine billion, eight hundred eighty-seven million, six hundred sixty-nine thousand, eight hundred fifty-seven".