80560479 has 4 divisors (see below), whose sum is σ = 107413976. Its totient is φ = 53706984.

The previous prime is 80560471. The next prime is 80560541. The reversal of 80560479 is 97406508.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80560479 - 2³ = 80560471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80560471) 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, 13426744 + ... + 13426749.

It is an arithmetic number, because the mean of its divisors is an integer number (26853494).

Almost surely, 2^80560479 is an apocalyptic number.

80560479 is a deficient number, since it is larger than the sum of its proper divisors (26853497).

80560479 is a wasteful number, since it uses less digits than its factorization.

80560479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853496.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 80560479 is about 8975.5489525711. The cubic root of 80560479 is about 431.8908599893.

The spelling of 80560479 in words is "eighty million, five hundred sixty thousand, four hundred seventy-nine".