85706205 has 16 divisors (see below), whose sum is σ = 147678720. Its totient is φ = 42193728.

The previous prime is 85706191. The next prime is 85706213. The reversal of 85706205 is 50260758.

It is a happy number.

It is not a de Polignac number, because 85706205 - 2¹⁶ = 85640669 is a prime.

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, 219565 + ... + 219954.

It is an arithmetic number, because the mean of its divisors is an integer number (9229920).

Almost surely, 2^85706205 is an apocalyptic number.

It is an amenable number.

85706205 is a deficient number, since it is larger than the sum of its proper divisors (61972515).

85706205 is a wasteful number, since it uses less digits than its factorization.

85706205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439540.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 85706205 is about 9257.7645789899. The cubic root of 85706205 is about 440.8972822404.

The spelling of 85706205 in words is "eighty-five million, seven hundred six thousand, two hundred five".