779497428248 has 32 divisors (see below), whose sum is σ = 1822201781760. Its totient is φ = 303700296480.

The previous prime is 779497428239. The next prime is 779497428253. The reversal of 779497428248 is 842824794977.

It is a congruent number.

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, 632708336 + ... + 632709567.

It is an arithmetic number, because the mean of its divisors is an integer number (56943805680).

Almost surely, 2^779497428248 is an apocalyptic number.

It is an amenable number.

779497428248 is an abundant number, since it is smaller than the sum of its proper divisors (1042704353512).

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

779497428248 is a wasteful number, since it uses less digits than its factorization.

779497428248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265417927 (or 1265417923 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 71.

The spelling of 779497428248 in words is "seven hundred seventy-nine billion, four hundred ninety-seven million, four hundred twenty-eight thousand, two hundred forty-eight".