631792378 has 48 divisors (see below), whose sum is σ = 1134017280. Its totient is φ = 263075904.

The previous prime is 631792339. The next prime is 631792387. The reversal of 631792378 is 873297136.

It is a happy number.

631792378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1318743 + ... + 1319221.

It is an arithmetic number, because the mean of its divisors is an integer number (23625360).

Almost surely, 2^631792378 is an apocalyptic number.

631792378 is a deficient number, since it is larger than the sum of its proper divisors (502224902).

631792378 is a wasteful number, since it uses less digits than its factorization.

631792378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 844 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 631792378 is about 25135.4804608943. The cubic root of 631792378 is about 858.0741011812.

The spelling of 631792378 in words is "six hundred thirty-one million, seven hundred ninety-two thousand, three hundred seventy-eight".