80492685 has 64 divisors (see below), whose sum is σ = 160258560. Its totient is φ = 33592320.

The previous prime is 80492681. The next prime is 80492693. The reversal of 80492685 is 58629408.

It is not a de Polignac number, because 80492685 - 2² = 80492681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80492681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148515 + ... + 149055.

It is an arithmetic number, because the mean of its divisors is an integer number (2504040).

Almost surely, 2^80492685 is an apocalyptic number.

It is an amenable number.

80492685 is a deficient number, since it is larger than the sum of its proper divisors (79765875).

80492685 is a wasteful number, since it uses less digits than its factorization.

80492685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 80492685 is about 8971.7715641895. The cubic root of 80492685 is about 431.7696763917.

The spelling of 80492685 in words is "eighty million, four hundred ninety-two thousand, six hundred eighty-five".