904878793 has 32 divisors (see below), whose sum is σ = 1163635200. Its totient is φ = 684343296.

The previous prime is 904878769. The next prime is 904878803. The reversal of 904878793 is 397878409.

It is not a de Polignac number, because 904878793 - 2⁵ = 904878761 is a prime.

It is a super-2 number, since 2×904878793² = 1637611260042273698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (904875793) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 270153 + ... + 273481.

It is an arithmetic number, because the mean of its divisors is an integer number (36363600).

Almost surely, 2^904878793 is an apocalyptic number.

It is an amenable number.

904878793 is a deficient number, since it is larger than the sum of its proper divisors (258756407).

904878793 is a wasteful number, since it uses less digits than its factorization.

904878793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 904878793 is about 30081.2033170217. The cubic root of 904878793 is about 967.2308426963.

The spelling of 904878793 in words is "nine hundred four million, eight hundred seventy-eight thousand, seven hundred ninety-three".