80408685 has 32 divisors (see below), whose sum is σ = 149817600. Its totient is φ = 36062208.

The previous prime is 80408617. The next prime is 80408687. The reversal of 80408685 is 58680408.

It is not a de Polignac number, because 80408685 - 2⁸ = 80408429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80408687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1660 + ... + 12789.

It is an arithmetic number, because the mean of its divisors is an integer number (4681800).

Almost surely, 2^80408685 is an apocalyptic number.

It is an amenable number.

80408685 is a deficient number, since it is larger than the sum of its proper divisors (69408915).

80408685 is a wasteful number, since it uses less digits than its factorization.

80408685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14517.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 80408685 is about 8967.0889925326. The cubic root of 80408685 is about 431.6194297100.

The spelling of 80408685 in words is "eighty million, four hundred eight thousand, six hundred eighty-five".