779542442 has 32 divisors (see below), whose sum is σ = 1381083264. Its totient is φ = 323064000.

The previous prime is 779542433. The next prime is 779542453. The reversal of 779542442 is 244245977.

It is a junction number, because it is equal to n+sod(n) for n = 779542393 and 779542402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54392 + ... + 67212.

It is an arithmetic number, because the mean of its divisors is an integer number (43158852).

Almost surely, 2^779542442 is an apocalyptic number.

779542442 is a deficient number, since it is larger than the sum of its proper divisors (601540822).

779542442 is a wasteful number, since it uses less digits than its factorization.

779542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974.

The product of its digits is 564480, while the sum is 44.

The square root of 779542442 is about 27920.2872836223. The cubic root of 779542442 is about 920.3363774687.

The spelling of 779542442 in words is "seven hundred seventy-nine million, five hundred forty-two thousand, four hundred forty-two".