70779012338 has 16 divisors (see below), whose sum is σ = 112565881440. Its totient is φ = 33262687296.

The previous prime is 70779012319. The next prime is 70779012341. The reversal of 70779012338 is 83321097707.

It is a junction number, because it is equal to n+sod(n) for n = 70779012292 and 70779012301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383356 + ... + 1433607.

It is an arithmetic number, because the mean of its divisors is an integer number (7035367590).

Almost surely, 2^70779012338 is an apocalyptic number.

70779012338 is a deficient number, since it is larger than the sum of its proper divisors (41786869102).

70779012338 is a wasteful number, since it uses less digits than its factorization.

70779012338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817721.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 70779012338 in words is "seventy billion, seven hundred seventy-nine million, twelve thousand, three hundred thirty-eight".