979739871 has 8 divisors (see below), whose sum is σ = 1425076224. Its totient is φ = 593781720.

The previous prime is 979739797. The next prime is 979739881. The reversal of 979739871 is 178937979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 979739871 - 2¹⁰ = 979738847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979739881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14844511 + ... + 14844576.

It is an arithmetic number, because the mean of its divisors is an integer number (178134528).

Almost surely, 2^979739871 is an apocalyptic number.

979739871 is a deficient number, since it is larger than the sum of its proper divisors (445336353).

979739871 is a wasteful number, since it uses less digits than its factorization.

979739871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29689101.

The product of its digits is 6001128, while the sum is 60.

The square root of 979739871 is about 31300.7966512036. The cubic root of 979739871 is about 993.2004951888.

The spelling of 979739871 in words is "nine hundred seventy-nine million, seven hundred thirty-nine thousand, eight hundred seventy-one".