80290872 has 64 divisors (see below), whose sum is σ = 223776000. Its totient is φ = 26674272.

The previous prime is 80290871. The next prime is 80290883. The reversal of 80290872 is 27809208.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80290871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108279 + ... + 109017.

It is an arithmetic number, because the mean of its divisors is an integer number (3496500).

Almost surely, 2^80290872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80290872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111888000).

80290872 is an abundant number, since it is smaller than the sum of its proper divisors (143485128).

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

80290872 is a wasteful number, since it uses less digits than its factorization.

80290872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80290872 is about 8960.5173957758. The cubic root of 80290872 is about 431.4085269737.

The spelling of 80290872 in words is "eighty million, two hundred ninety thousand, eight hundred seventy-two".