779381328 has 60 divisors (see below), whose sum is σ = 2213094464. Its totient is φ = 236174400.

The previous prime is 779381297. The next prime is 779381329. The reversal of 779381328 is 823183977.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779381329) 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, 61288 + ... + 72903.

Almost surely, 2^779381328 is an apocalyptic number.

It is an amenable number.

779381328 is an abundant number, since it is smaller than the sum of its proper divisors (1433713136).

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

779381328 is a wasteful number, since it uses less digits than its factorization.

779381328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134224 (or 134207 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 779381328 is about 27917.4018848459. The cubic root of 779381328 is about 920.2729687802.

The spelling of 779381328 in words is "seven hundred seventy-nine million, three hundred eighty-one thousand, three hundred twenty-eight".