80099578 has 12 divisors (see below), whose sum is σ = 130103118. Its totient is φ = 36968880.

The previous prime is 80099549. The next prime is 80099581. The reversal of 80099578 is 87599008.

It can be written as a sum of positive squares in 3 ways, for example, as 21316689 + 58782889 = 4617^2 + 7667^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118153 + ... + 118828.

Almost surely, 2^80099578 is an apocalyptic number.

80099578 is a deficient number, since it is larger than the sum of its proper divisors (50003540).

80099578 is a wasteful number, since it uses less digits than its factorization.

80099578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237009 (or 236996 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 80099578 is about 8949.8367582878. The cubic root of 80099578 is about 431.0656424622.

The spelling of 80099578 in words is "eighty million, ninety-nine thousand, five hundred seventy-eight".