979554349917 has 96 divisors (see below), whose sum is σ = 1711780726656. Its totient is φ = 531844185600.

The previous prime is 979554349861. The next prime is 979554349931. The reversal of 979554349917 is 719943455979.

979554349917 is a `hidden beast` number, since 9 + 7 + 95 + 5 + 43 + 499 + 1 + 7 = 666.

It is not a de Polignac number, because 979554349917 - 2⁷ = 979554349789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979554309917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8632167 + ... + 8744907.

It is an arithmetic number, because the mean of its divisors is an integer number (17831049236).

Almost surely, 2^979554349917 is an apocalyptic number.

It is an amenable number.

979554349917 is a deficient number, since it is larger than the sum of its proper divisors (732226376739).

979554349917 is a wasteful number, since it uses less digits than its factorization.

979554349917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112971 (or 112968 counting only the distinct ones).

The product of its digits is 385786800, while the sum is 72.

The spelling of 979554349917 in words is "nine hundred seventy-nine billion, five hundred fifty-four million, three hundred forty-nine thousand, nine hundred seventeen".