85307115 has 32 divisors (see below), whose sum is σ = 145483776. Its totient is φ = 42584960.

The previous prime is 85307111. The next prime is 85307129. The reversal of 85307115 is 51170358.

It is not a de Polignac number, because 85307115 - 2² = 85307111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85307111) 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, 13585 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (4546368).

Almost surely, 2^85307115 is an apocalyptic number.

85307115 is a deficient number, since it is larger than the sum of its proper divisors (60176661).

85307115 is a wasteful number, since it uses less digits than its factorization.

85307115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 85307115 is about 9236.1850890939. The cubic root of 85307115 is about 440.2118728229.

The spelling of 85307115 in words is "eighty-five million, three hundred seven thousand, one hundred fifteen".