85655710 has 32 divisors (see below), whose sum is σ = 176596992. Its totient is φ = 29302560.

The previous prime is 85655677. The next prime is 85655711. The reversal of 85655710 is 1755658.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 85655710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85655711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38899 + ... + 41041.

It is an arithmetic number, because the mean of its divisors is an integer number (5518656).

Almost surely, 2^85655710 is an apocalyptic number.

85655710 is an abundant number, since it is smaller than the sum of its proper divisors (90941282).

85655710 is a wasteful number, since it uses less digits than its factorization.

85655710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 85655710 is about 9255.0370069492. The cubic root of 85655710 is about 440.8106783129.

The spelling of 85655710 in words is "eighty-five million, six hundred fifty-five thousand, seven hundred ten".