779401122 has 8 divisors (see below), whose sum is σ = 1558802256. Its totient is φ = 259800372.

The previous prime is 779401067. The next prime is 779401127. The reversal of 779401122 is 221104977.

It is a sphenic number, since it is the product of 3 distinct primes.

779401122 is an admirable number.

It is a super-2 number, since 2×779401122² = 1214932217949717768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (779401127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64950088 + ... + 64950099.

It is an arithmetic number, because the mean of its divisors is an integer number (194850282).

Almost surely, 2^779401122 is an apocalyptic number.

779401122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

779401122 is a wasteful number, since it uses less digits than its factorization.

779401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129900192.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 779401122 is about 27917.7563926616. The cubic root of 779401122 is about 920.2807594591.

The spelling of 779401122 in words is "seven hundred seventy-nine million, four hundred one thousand, one hundred twenty-two".