779240448 has 264 divisors, whose sum is σ = 2636404992. Its totient is φ = 217055232.

The previous prime is 779240431. The next prime is 779240477. The reversal of 779240448 is 844042977.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3031936 + ... + 3032192.

Almost surely, 2^779240448 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 779240448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318202496).

779240448 is an abundant number, since it is smaller than the sum of its proper divisors (1857164544).

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

779240448 is a wasteful number, since it uses less digits than its factorization.

779240448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 779240448 is about 27914.8786133847. The cubic root of 779240448 is about 920.2175163063.

The spelling of 779240448 in words is "seven hundred seventy-nine million, two hundred forty thousand, four hundred forty-eight".