779675611240 has 32 divisors (see below), whose sum is σ = 1759156704000. Its totient is φ = 311001519424.

The previous prime is 779675611223. The next prime is 779675611241. The reversal of 779675611240 is 42116576977.

It is a super-2 number, since 2×779675611240² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (779675611241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27133120 + ... + 27161839.

It is an arithmetic number, because the mean of its divisors is an integer number (54973647000).

Almost surely, 2^779675611240 is an apocalyptic number.

It is an amenable number.

779675611240 is an abundant number, since it is smaller than the sum of its proper divisors (979481092760).

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

779675611240 is a wasteful number, since it uses less digits than its factorization.

779675611240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54295329 (or 54295325 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 779675611240 in words is "seven hundred seventy-nine billion, six hundred seventy-five million, six hundred eleven thousand, two hundred forty".