779150880 has 384 divisors, whose sum is σ = 2880541440. Its totient is φ = 196485120.

The previous prime is 779150777. The next prime is 779150887. The reversal of 779150880 is 88051977.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779150887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9387319 + ... + 9387401.

It is an arithmetic number, because the mean of its divisors is an integer number (7501410).

Almost surely, 2^779150880 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 779150880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440270720).

779150880 is an abundant number, since it is smaller than the sum of its proper divisors (2101390560).

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

779150880 is a wasteful number, since it uses less digits than its factorization.

779150880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 779150880 is about 27913.2742615409. The cubic root of 779150880 is about 920.1822575271.

The spelling of 779150880 in words is "seven hundred seventy-nine million, one hundred fifty thousand, eight hundred eighty".