80479618 has 8 divisors (see below), whose sum is σ = 122698620. Its totient is φ = 39580080.

The previous prime is 80479589. The next prime is 80479621. The reversal of 80479618 is 81697408.

It can be written as a sum of positive squares in 2 ways, for example, as 58323769 + 22155849 = 7637^2 + 4707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329713 + ... + 329956.

Almost surely, 2^80479618 is an apocalyptic number.

80479618 is a deficient number, since it is larger than the sum of its proper divisors (42219002).

80479618 is a wasteful number, since it uses less digits than its factorization.

80479618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659732.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 80479618 is about 8971.0433061044. The cubic root of 80479618 is about 431.7463109571.

The spelling of 80479618 in words is "eighty million, four hundred seventy-nine thousand, six hundred eighteen".