779668848 has 160 divisors (see below), whose sum is σ = 2640465920. Its totient is φ = 215550720.

The previous prime is 779668823. The next prime is 779668859. The reversal of 779668848 is 848866977.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 89586 + ... + 97902.

It is an arithmetic number, because the mean of its divisors is an integer number (16502912).

Almost surely, 2^779668848 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 779668848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320232960).

779668848 is an abundant number, since it is smaller than the sum of its proper divisors (1860797072).

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

779668848 is a wasteful number, since it uses less digits than its factorization.

779668848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372 (or 8360 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The square root of 779668848 is about 27922.5508863356. The cubic root of 779668848 is about 920.3861202179.

The spelling of 779668848 in words is "seven hundred seventy-nine million, six hundred sixty-eight thousand, eight hundred forty-eight".