779738468 has 12 divisors (see below), whose sum is σ = 1368593772. Its totient is φ = 388711680.

The previous prime is 779738447. The next prime is 779738489. The reversal of 779738468 is 864837977.

It is an interprime number because it is at equal distance from previous prime (779738447) and next prime (779738489).

It can be written as a sum of positive squares in 2 ways, for example, as 566344804 + 213393664 = 23798^2 + 14608^2 .

It is a super-3 number, since 3×779738468³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287873 + ... + 290568.

It is an arithmetic number, because the mean of its divisors is an integer number (114049481).

Almost surely, 2^779738468 is an apocalyptic number.

It is an amenable number.

779738468 is a deficient number, since it is larger than the sum of its proper divisors (588855304).

779738468 is a wasteful number, since it uses less digits than its factorization.

779738468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578782 (or 578780 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The square root of 779738468 is about 27923.7975211109. The cubic root of 779738468 is about 920.4135144869.

The spelling of 779738468 in words is "seven hundred seventy-nine million, seven hundred thirty-eight thousand, four hundred sixty-eight".