85206670 has 16 divisors (see below), whose sum is σ = 153511488. Its totient is φ = 34051680.

The previous prime is 85206661. The next prime is 85206683. The reversal of 85206670 is 7660258.

It is a super-2 number, since 2×85206670² = 14520353224977800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10060 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (9594468).

Almost surely, 2^85206670 is an apocalyptic number.

85206670 is a deficient number, since it is larger than the sum of its proper divisors (68304818).

85206670 is a wasteful number, since it uses less digits than its factorization.

85206670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 85206670 is about 9230.7459070218. The cubic root of 85206670 is about 440.0390289071.

The spelling of 85206670 in words is "eighty-five million, two hundred six thousand, six hundred seventy".