80261172 has 24 divisors (see below), whose sum is σ = 208084800. Its totient is φ = 26753688.

The previous prime is 80261161. The next prime is 80261213. The reversal of 80261172 is 27116208.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 371472 + ... + 371687.

It is an arithmetic number, because the mean of its divisors is an integer number (8670200).

Almost surely, 2^80261172 is an apocalyptic number.

It is an amenable number.

80261172 is an abundant number, since it is smaller than the sum of its proper divisors (127823628).

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

80261172 is a wasteful number, since it uses less digits than its factorization.

80261172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743172 (or 743164 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80261172 is about 8958.8599721170. The cubic root of 80261172 is about 431.3553270142.

The spelling of 80261172 in words is "eighty million, two hundred sixty-one thousand, one hundred seventy-two".