80291904 has 112 divisors (see below), whose sum is σ = 264907776. Its totient is φ = 20851200.

The previous prime is 80291863. The next prime is 80291917. The reversal of 80291904 is 40919208.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12069 + ... + 17499.

It is an arithmetic number, because the mean of its divisors is an integer number (2365248).

Almost surely, 2^80291904 is an apocalyptic number.

80291904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80291904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132453888).

80291904 is an abundant number, since it is smaller than the sum of its proper divisors (184615872).

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

80291904 is a wasteful number, since it uses less digits than its factorization.

80291904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80291904 is about 8960.5749815511. The cubic root of 80291904 is about 431.4103753021.

The spelling of 80291904 in words is "eighty million, two hundred ninety-one thousand, nine hundred four".