979427970 has 64 divisors (see below), whose sum is σ = 2765456640. Its totient is φ = 245816064.

The previous prime is 979427959. The next prime is 979427983. The reversal of 979427970 is 79724979.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102102 + ... + 111281.

It is an arithmetic number, because the mean of its divisors is an integer number (43210260).

Almost surely, 2^979427970 is an apocalyptic number.

979427970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

979427970 is an abundant number, since it is smaller than the sum of its proper divisors (1786028670).

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

979427970 is a wasteful number, since it uses less digits than its factorization.

979427970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213416 (or 213410 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The square root of 979427970 is about 31295.8139373303. The cubic root of 979427970 is about 993.0950886023.

The spelling of 979427970 in words is "nine hundred seventy-nine million, four hundred twenty-seven thousand, nine hundred seventy".