976747747679 has 16 divisors (see below), whose sum is σ = 1076466408480. Its totient is φ = 878855760000.

The previous prime is 976747747649. The next prime is 976747747681.

976747747679 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 976747747679 - 2¹⁶ = 976747682143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976747747649) 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, 3080789 + ... + 3383009.

It is an arithmetic number, because the mean of its divisors is an integer number (67279150530).

Almost surely, 2^976747747679 is an apocalyptic number.

976747747679 is a deficient number, since it is larger than the sum of its proper divisors (99718660801).

976747747679 is a wasteful number, since it uses less digits than its factorization.

976747747679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305242.

The product of its digits is 5489031744, while the sum is 80.

The spelling of 976747747679 in words is "nine hundred seventy-six billion, seven hundred forty-seven million, seven hundred forty-seven thousand, six hundred seventy-nine".