970213779 has 6 divisors (see below), whose sum is σ = 1401419916. Its totient is φ = 646809180.

The previous prime is 970213729. The next prime is 970213781. The reversal of 970213779 is 977312079.

970213779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 970213779 - 2¹¹ = 970211731 is a prime.

It is a super-2 number, since 2×970213779² = 1882629553922921682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (970213729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53900757 + ... + 53900774.

It is an arithmetic number, because the mean of its divisors is an integer number (233569986).

Almost surely, 2^970213779 is an apocalyptic number.

970213779 is a deficient number, since it is larger than the sum of its proper divisors (431206137).

970213779 is a wasteful number, since it uses less digits than its factorization.

970213779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107801537 (or 107801534 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 970213779 is about 31148.2548307285. The cubic root of 970213779 is about 989.9710153742.

Subtracting from 970213779 its product of nonzero digits (166698), we obtain a triangular number (970047081 = T₄₄₀₄₆).

The spelling of 970213779 in words is "nine hundred seventy million, two hundred thirteen thousand, seven hundred seventy-nine".