85108785 has 16 divisors (see below), whose sum is σ = 136294080. Its totient is φ = 45351360.

The previous prime is 85108759. The next prime is 85108787. The reversal of 85108785 is 58780158.

It is not a de Polignac number, because 85108785 - 2⁶ = 85108721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85108787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24486 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (8518380).

Almost surely, 2^85108785 is an apocalyptic number.

It is an amenable number.

85108785 is a deficient number, since it is larger than the sum of its proper divisors (51185295).

85108785 is a wasteful number, since it uses less digits than its factorization.

85108785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its (nonzero) digits is 89600, while the sum is 42.

The square root of 85108785 is about 9225.4422658212. The cubic root of 85108785 is about 439.8704594552.

The spelling of 85108785 in words is "eighty-five million, one hundred eight thousand, seven hundred eighty-five".