779040632 has 32 divisors (see below), whose sum is σ = 1497426480. Its totient is φ = 379760640.

The previous prime is 779040611. The next prime is 779040649. The reversal of 779040632 is 236040977.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218738 + ... + 222270.

Almost surely, 2^779040632 is an apocalyptic number.

It is an amenable number.

779040632 is a deficient number, since it is larger than the sum of its proper divisors (718385848).

779040632 is a wasteful number, since it uses less digits than its factorization.

779040632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 779040632 is about 27911.2993606532. The cubic root of 779040632 is about 920.1388542782.

The spelling of 779040632 in words is "seven hundred seventy-nine million, forty thousand, six hundred thirty-two".