85868951 has 16 divisors (see below), whose sum is σ = 100102464. Its totient is φ = 72140544.

The previous prime is 85868947. The next prime is 85868969. The reversal of 85868951 is 15986858.

It is not a de Polignac number, because 85868951 - 2² = 85868947 is a prime.

It is a Smith number, since the sum of its digits (50) 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 85868951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85868911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100241 + ... + 101093.

It is an arithmetic number, because the mean of its divisors is an integer number (6256404).

Almost surely, 2^85868951 is an apocalyptic number.

85868951 is a deficient number, since it is larger than the sum of its proper divisors (14233513).

85868951 is a wasteful number, since it uses less digits than its factorization.

85868951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130.

The product of its digits is 691200, while the sum is 50.

The square root of 85868951 is about 9266.5501131759. The cubic root of 85868951 is about 441.1761764749.

The spelling of 85868951 in words is "eighty-five million, eight hundred sixty-eight thousand, nine hundred fifty-one".