779040630 has 48 divisors (see below), whose sum is σ = 2095357680. Its totient is φ = 200579904.

The previous prime is 779040611. The next prime is 779040649. The reversal of 779040630 is 36040977.

It is an interprime number because it is at equal distance from previous prime (779040611) and next prime (779040649).

It is a congruent number.

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, 146632 + ... + 151851.

It is an arithmetic number, because the mean of its divisors is an integer number (43653285).

Almost surely, 2^779040630 is an apocalyptic number.

779040630 is an abundant number, since it is smaller than the sum of its proper divisors (1316317050).

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

779040630 is a wasteful number, since it uses less digits than its factorization.

779040630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298525 (or 298522 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 779040630 is about 27911.2993248254. The cubic root of 779040630 is about 920.1388534908.

The spelling of 779040630 in words is "seven hundred seventy-nine million, forty thousand, six hundred thirty".