80903904 has 48 divisors (see below), whose sum is σ = 218122128. Its totient is φ = 26237952.

The previous prime is 80903899. The next prime is 80903951. The reversal of 80903904 is 40930908.

It is a tau number, because it is divible by the number of its divisors (48).

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, 7837 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (4544211).

Almost surely, 2^80903904 is an apocalyptic number.

It is an amenable number.

80903904 is an abundant number, since it is smaller than the sum of its proper divisors (137218224).

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

80903904 is a wasteful number, since it uses less digits than its factorization.

80903904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22827 (or 22819 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 80903904 is about 8994.6597489844. The cubic root of 80903904 is about 432.5036991676.

The spelling of 80903904 in words is "eighty million, nine hundred three thousand, nine hundred four".