779897601 has 12 divisors (see below), whose sum is σ = 1287450112. Its totient is φ = 445655736.

The previous prime is 779897549. The next prime is 779897603. The reversal of 779897601 is 106798977.

It is not a de Polignac number, because 779897601 - 2²³ = 771508993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779897603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6189601 + ... + 6189726.

Almost surely, 2^779897601 is an apocalyptic number.

It is an amenable number.

779897601 is a deficient number, since it is larger than the sum of its proper divisors (507552511).

779897601 is a wasteful number, since it uses less digits than its factorization.

779897601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379340 (or 12379337 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 779897601 is about 27926.6467911921. The cubic root of 779897601 is about 920.4761244547.

The spelling of 779897601 in words is "seven hundred seventy-nine million, eight hundred ninety-seven thousand, six hundred one".