779070436836 has 48 divisors (see below), whose sum is σ = 1839079113984. Its totient is φ = 256662014976.

The previous prime is 779070436813. The next prime is 779070436843. The reversal of 779070436836 is 638634070977.

It is a self number, because there is not a number n which added to its sum of digits gives 779070436836.

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, 396661 + ... + 1309763.

It is an arithmetic number, because the mean of its divisors is an integer number (38314148208).

Almost surely, 2^779070436836 is an apocalyptic number.

It is an amenable number.

779070436836 is an abundant number, since it is smaller than the sum of its proper divisors (1060008677148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

779070436836 is a wasteful number, since it uses less digits than its factorization.

779070436836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913940 (or 913938 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 60.

The spelling of 779070436836 in words is "seven hundred seventy-nine billion, seventy million, four hundred thirty-six thousand, eight hundred thirty-six".