80685385 has 8 divisors (see below), whose sum is σ = 105624576. Its totient is φ = 58680240.

The previous prime is 80685377. The next prime is 80685401. The reversal of 80685385 is 58358608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80685385 - 2³ = 80685377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733449 + ... + 733558.

It is an arithmetic number, because the mean of its divisors is an integer number (13203072).

Almost surely, 2^80685385 is an apocalyptic number.

It is an amenable number.

80685385 is a deficient number, since it is larger than the sum of its proper divisors (24939191).

80685385 is a wasteful number, since it uses less digits than its factorization.

80685385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467023.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 80685385 is about 8982.5043835224. The cubic root of 80685385 is about 432.1139549201.

The spelling of 80685385 in words is "eighty million, six hundred eighty-five thousand, three hundred eighty-five".