80522479 has 4 divisors (see below), whose sum is σ = 80548600. Its totient is φ = 80496360.

The previous prime is 80522459. The next prime is 80522503. The reversal of 80522479 is 97422508.

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

It is a cyclic number.

It is not a de Polignac number, because 80522479 - 2¹⁵ = 80489711 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 (80522419) 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, 7704 + ... + 14845.

It is an arithmetic number, because the mean of its divisors is an integer number (20137150).

Almost surely, 2^80522479 is an apocalyptic number.

80522479 is a deficient number, since it is larger than the sum of its proper divisors (26121).

80522479 is a wasteful number, since it uses less digits than its factorization.

80522479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26120.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80522479 is about 8973.4318407174. The cubic root of 80522479 is about 431.8229423452.

The spelling of 80522479 in words is "eighty million, five hundred twenty-two thousand, four hundred seventy-nine".