404872678 has 16 divisors (see below), whose sum is σ = 694536480. Its totient is φ = 173399616.

The previous prime is 404872631. The next prime is 404872681. The reversal of 404872678 is 876278404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13618 + ... + 31546.

It is an arithmetic number, because the mean of its divisors is an integer number (43408530).

Almost surely, 2^404872678 is an apocalyptic number.

404872678 is a deficient number, since it is larger than the sum of its proper divisors (289663802).

404872678 is a wasteful number, since it uses less digits than its factorization.

404872678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 404872678 is about 20121.4482083174. The cubic root of 404872678 is about 739.7860825548.

The spelling of 404872678 in words is "four hundred four million, eight hundred seventy-two thousand, six hundred seventy-eight".