979591916 has 6 divisors (see below), whose sum is σ = 1714285860. Its totient is φ = 489795956.

The previous prime is 979591897. The next prime is 979591961. The reversal of 979591916 is 619195979.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122448986 + ... + 122448993.

It is an arithmetic number, because the mean of its divisors is an integer number (285714310).

Almost surely, 2^979591916 is an apocalyptic number.

It is an amenable number.

979591916 is a deficient number, since it is larger than the sum of its proper divisors (734693944).

979591916 is a wasteful number, since it uses less digits than its factorization.

979591916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244897983 (or 244897981 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 56.

The square root of 979591916 is about 31298.4331237204. The cubic root of 979591916 is about 993.1504967550.

The spelling of 979591916 in words is "nine hundred seventy-nine million, five hundred ninety-one thousand, nine hundred sixteen".