779196994 has 4 divisors (see below), whose sum is σ = 1168795494. Its totient is φ = 389598496.

The previous prime is 779196961. The next prime is 779197009. The reversal of 779196994 is 499691977.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 522716769 + 256480225 = 22863^2 + 16015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194799247 + ... + 194799250.

Almost surely, 2^779196994 is an apocalyptic number.

779196994 is a deficient number, since it is larger than the sum of its proper divisors (389598500).

779196994 is a wasteful number, since it uses less digits than its factorization.

779196994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389598499.

The product of its digits is 7715736, while the sum is 61.

The square root of 779196994 is about 27914.1002720847. The cubic root of 779196994 is about 920.2004108136.

The spelling of 779196994 in words is "seven hundred seventy-nine million, one hundred ninety-six thousand, nine hundred ninety-four".