779395002000 has 160 divisors (see below), whose sum is σ = 2513504732544. Its totient is φ = 207777856000.

The previous prime is 779395001993. The next prime is 779395002041. The reversal of 779395002000 is 200593977.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22764895 + ... + 22799105.

Almost surely, 2^779395002000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 779395002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256752366272).

779395002000 is an abundant number, since it is smaller than the sum of its proper divisors (1734109730544).

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

779395002000 is a wasteful number, since it uses less digits than its factorization.

779395002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38034 (or 38018 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

Adding to 779395002000 its reverse (200593977), we get a palindrome (779595595977).

The spelling of 779395002000 in words is "seven hundred seventy-nine billion, three hundred ninety-five million, two thousand".