80605385 has 16 divisors (see below), whose sum is σ = 113242752. Its totient is φ = 53923200.

The previous prime is 80605361. The next prime is 80605397. The reversal of 80605385 is 58350608.

It is not a de Polignac number, because 80605385 - 2²⁰ = 79556809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26651 + ... + 29520.

It is an arithmetic number, because the mean of its divisors is an integer number (7077672).

Almost surely, 2^80605385 is an apocalyptic number.

It is an amenable number.

80605385 is a deficient number, since it is larger than the sum of its proper divisors (32637367).

80605385 is a wasteful number, since it uses less digits than its factorization.

80605385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56224.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 80605385 is about 8978.0501780732. The cubic root of 80605385 is about 431.9710932447.

The spelling of 80605385 in words is "eighty million, six hundred five thousand, three hundred eighty-five".