969680977687 has 4 divisors (see below), whose sum is σ = 1026721035216. Its totient is φ = 912640920160.

The previous prime is 969680977669. The next prime is 969680977691. The reversal of 969680977687 is 786779086969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786779086969 = 43613 ⋅18040013.

It is a cyclic number.

It is not a de Polignac number, because 969680977687 - 2²³ = 969672589079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 969680977687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969680977627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28520028739 + ... + 28520028772.

It is an arithmetic number, because the mean of its divisors is an integer number (256680258804).

Almost surely, 2^969680977687 is an apocalyptic number.

969680977687 is a deficient number, since it is larger than the sum of its proper divisors (57040057529).

969680977687 is a wasteful number, since it uses less digits than its factorization.

969680977687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57040057528.

The product of its (nonzero) digits is 3456649728, while the sum is 82.

The spelling of 969680977687 in words is "nine hundred sixty-nine billion, six hundred eighty million, nine hundred seventy-seven thousand, six hundred eighty-seven".