979030905 has 16 divisors (see below), whose sum is σ = 1570591680. Its totient is φ = 520769088.

The previous prime is 979030891. The next prime is 979030909. The reversal of 979030905 is 509030979.

It is a happy number.

It is not a de Polignac number, because 979030905 - 2⁴ = 979030889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (979030909) 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, 80422 + ... + 91791.

It is an arithmetic number, because the mean of its divisors is an integer number (98161980).

Almost surely, 2^979030905 is an apocalyptic number.

It is an amenable number.

979030905 is a deficient number, since it is larger than the sum of its proper divisors (591560775).

979030905 is a wasteful number, since it uses less digits than its factorization.

979030905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172600.

The product of its (nonzero) digits is 76545, while the sum is 42.

The square root of 979030905 is about 31289.4695544683. The cubic root of 979030905 is about 992.9608685567.

The spelling of 979030905 in words is "nine hundred seventy-nine million, thirty thousand, nine hundred five".