85191710 has 32 divisors (see below), whose sum is σ = 155796480. Its totient is φ = 33537312.

The previous prime is 85191707. The next prime is 85191719. The reversal of 85191710 is 1719158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85191719) 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, 231947 + ... + 232313.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 2^85191710 is an apocalyptic number.

85191710 is a deficient number, since it is larger than the sum of its proper divisors (70604770).

85191710 is a wasteful number, since it uses less digits than its factorization.

85191710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 85191710 is about 9229.9355360696. The cubic root of 85191710 is about 440.0132743929.

The spelling of 85191710 in words is "eighty-five million, one hundred ninety-one thousand, seven hundred ten".