979876217907 has 12 divisors (see below), whose sum is σ = 1415563755424. Its totient is φ = 653164506000.

The previous prime is 979876217893. The next prime is 979876217927. The reversal of 979876217907 is 709712678979.

It is not a de Polignac number, because 979876217907 - 2¹⁰ = 979876216883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979876217927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7120219 + ... + 7256532.

Almost surely, 2^979876217907 is an apocalyptic number.

979876217907 is a deficient number, since it is larger than the sum of its proper divisors (435687537517).

979876217907 is a wasteful number, since it uses less digits than its factorization.

979876217907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384330 (or 14384327 counting only the distinct ones).

The product of its (nonzero) digits is 168031584, while the sum is 72.

The spelling of 979876217907 in words is "nine hundred seventy-nine billion, eight hundred seventy-six million, two hundred seventeen thousand, nine hundred seven".