85812951 has 16 divisors (see below), whose sum is σ = 130927104. Its totient is φ = 48974304.

The previous prime is 85812919. The next prime is 85812967. The reversal of 85812951 is 15921858.

It is not a de Polignac number, because 85812951 - 2⁵ = 85812919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85812451) 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, 18565 + ... + 22721.

It is an arithmetic number, because the mean of its divisors is an integer number (8182944).

Almost surely, 2^85812951 is an apocalyptic number.

85812951 is a deficient number, since it is larger than the sum of its proper divisors (45114153).

85812951 is a wasteful number, since it uses less digits than its factorization.

85812951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150.

The product of its digits is 28800, while the sum is 39.

The square root of 85812951 is about 9263.5279996338. The cubic root of 85812951 is about 441.0802503059.

The spelling of 85812951 in words is "eighty-five million, eight hundred twelve thousand, nine hundred fifty-one".