80724828 has 12 divisors (see below), whose sum is σ = 188357960. Its totient is φ = 26908272.

The previous prime is 80724821. The next prime is 80724829. The reversal of 80724828 is 82842708.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80724821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363523 + ... + 3363546.

Almost surely, 2^80724828 is an apocalyptic number.

It is an amenable number.

80724828 is an abundant number, since it is smaller than the sum of its proper divisors (107633132).

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

80724828 is a wasteful number, since it uses less digits than its factorization.

80724828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727076 (or 6727074 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 80724828 is about 8984.6996610905. The cubic root of 80724828 is about 432.1843563283.

The spelling of 80724828 in words is "eighty million, seven hundred twenty-four thousand, eight hundred twenty-eight".