779321088 has 540 divisors, whose sum is σ = 2960468280. Its totient is φ = 202051584.

The previous prime is 779321087. The next prime is 779321161. The reversal of 779321088 is 880123977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779321083) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13208803 + ... + 13208861.

Almost surely, 2^779321088 is an apocalyptic number.

779321088 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 779321088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480234140).

779321088 is an abundant number, since it is smaller than the sum of its proper divisors (2181147192).

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

779321088 is a wasteful number, since it uses less digits than its factorization.

779321088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 779321088 is about 27916.3229670385. The cubic root of 779321088 is about 920.2492582336.

The spelling of 779321088 in words is "seven hundred seventy-nine million, three hundred twenty-one thousand, eighty-eight".