779942882 has 4 divisors (see below), whose sum is σ = 1169914326. Its totient is φ = 389971440.

The previous prime is 779942833. The next prime is 779942893. The reversal of 779942882 is 288249977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 288249977 = 17 ⋅16955881.

It can be written as a sum of positive squares in only one way, i.e., 667137241 + 112805641 = 25829^2 + 10621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194985719 + ... + 194985722.

Almost surely, 2^779942882 is an apocalyptic number.

779942882 is a deficient number, since it is larger than the sum of its proper divisors (389971444).

779942882 is a wasteful number, since it uses less digits than its factorization.

779942882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389971443.

The product of its digits is 4064256, while the sum is 56.

The square root of 779942882 is about 27927.4574925825. The cubic root of 779942882 is about 920.4939384483.

The spelling of 779942882 in words is "seven hundred seventy-nine million, nine hundred forty-two thousand, eight hundred eighty-two".