80725879 has 16 divisors (see below), whose sum is σ = 90417600. Its totient is φ = 71559936.

The previous prime is 80725871. The next prime is 80725901. The reversal of 80725879 is 97852708.

It is not a de Polignac number, because 80725879 - 2³ = 80725871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80725871) 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, 87382 + ... + 88300.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^80725879 is an apocalyptic number.

80725879 is a deficient number, since it is larger than the sum of its proper divisors (9691721).

80725879 is a wasteful number, since it uses less digits than its factorization.

80725879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 80725879 is about 8984.7581492214. The cubic root of 80725879 is about 432.1862319338.

The spelling of 80725879 in words is "eighty million, seven hundred twenty-five thousand, eight hundred seventy-nine".