85170670 has 32 divisors (see below), whose sum is σ = 169571808. Its totient is φ = 30595968.

The previous prime is 85170661. The next prime is 85170691. The reversal of 85170670 is 7607158.

It is a congruent number.

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, 4044 + ... + 13663.

It is an arithmetic number, because the mean of its divisors is an integer number (5299119).

Almost surely, 2^85170670 is an apocalyptic number.

85170670 is a deficient number, since it is larger than the sum of its proper divisors (84401138).

85170670 is a wasteful number, since it uses less digits than its factorization.

85170670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17764.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 85170670 is about 9228.7956960808. The cubic root of 85170670 is about 439.9770477008.

The spelling of 85170670 in words is "eighty-five million, one hundred seventy thousand, six hundred seventy".