85304515 has 16 divisors (see below), whose sum is σ = 107359200. Its totient is φ = 64979712.

The previous prime is 85304489. The next prime is 85304533. The reversal of 85304515 is 51540358.

It is a cyclic number.

It is not a de Polignac number, because 85304515 - 2⁹ = 85304003 is a prime.

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, 6556 + ... + 14614.

It is an arithmetic number, because the mean of its divisors is an integer number (6709950).

Almost surely, 2^85304515 is an apocalyptic number.

85304515 is a deficient number, since it is larger than the sum of its proper divisors (22054685).

85304515 is a wasteful number, since it uses less digits than its factorization.

85304515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 85304515 is about 9236.0443372691. The cubic root of 85304515 is about 440.2074005016.

The spelling of 85304515 in words is "eighty-five million, three hundred four thousand, five hundred fifteen".