80779032 has 104 divisors (see below), whose sum is σ = 239148300. Its totient is φ = 25509168.

The previous prime is 80779031. The next prime is 80779037. The reversal of 80779032 is 23097708.

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

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 80779032 = 54³ + 432³ = 243³ + 405³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80779031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 25 ways as a sum of consecutive naturals, for example, 4251519 + ... + 4251537.

Almost surely, 2^80779032 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 80779032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119574150).

80779032 is an abundant number, since it is smaller than the sum of its proper divisors (158369268).

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

80779032 is an frugal number, since it uses more digits than its factorization.

80779032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 80779032 is about 8987.7156163288. The cubic root of 80779032 is about 432.2810670930.

The spelling of 80779032 in words is "eighty million, seven hundred seventy-nine thousand, thirty-two".