979915968 has 112 divisors (see below), whose sum is σ = 2916753120. Its totient is φ = 326592000.

The previous prime is 979915967. The next prime is 979915969. The reversal of 979915968 is 869519979.

It is an interprime number because it is at equal distance from previous prime (979915967) and next prime (979915969).

It is not an unprimeable number, because it can be changed into a prime (979915967) 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, 136468 + ... + 143468.

Almost surely, 2^979915968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979915968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458376560).

979915968 is an abundant number, since it is smaller than the sum of its proper divisors (1936837152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979915968 is an frugal number, since it uses more digits than its factorization.

979915968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034 (or 7006 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 63.

The square root of 979915968 is about 31303.6095043367. The cubic root of 979915968 is about 993.2599970882.

The spelling of 979915968 in words is "nine hundred seventy-nine million, nine hundred fifteen thousand, nine hundred sixty-eight".