979970133 has 16 divisors (see below), whose sum is σ = 1312618496. Its totient is φ = 650326320.

The previous prime is 979970111. The next prime is 979970141. The reversal of 979970133 is 331079979.

It is a de Polignac number, because none of the positive numbers 2^k-979970133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979970143) 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, 921360 + ... + 922422.

It is an arithmetic number, because the mean of its divisors is an integer number (82038656).

Almost surely, 2^979970133 is an apocalyptic number.

It is an amenable number.

979970133 is a deficient number, since it is larger than the sum of its proper divisors (332648363).

979970133 is a wasteful number, since it uses less digits than its factorization.

979970133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 321489, while the sum is 48.

The square root of 979970133 is about 31304.4746482033. The cubic root of 979970133 is about 993.2782976154.

The spelling of 979970133 in words is "nine hundred seventy-nine million, nine hundred seventy thousand, one hundred thirty-three".