80575479 has 20 divisors (see below), whose sum is σ = 124252480. Its totient is φ = 51982560.

The previous prime is 80575471. The next prime is 80575483. The reversal of 80575479 is 97457508.

80575479 is a `hidden beast` number, since 8 + 0 + 575 + 4 + 79 = 666.

It is not a de Polignac number, because 80575479 - 2³ = 80575471 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 (80575471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13534 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (6212624).

Almost surely, 2^80575479 is an apocalyptic number.

80575479 is a deficient number, since it is larger than the sum of its proper divisors (43677001).

80575479 is a wasteful number, since it uses less digits than its factorization.

80575479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32132 (or 32123 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 80575479 is about 8976.3845171650. The cubic root of 80575479 is about 431.9176637064.

The spelling of 80575479 in words is "eighty million, five hundred seventy-five thousand, four hundred seventy-nine".