85351861 has 16 divisors (see below), whose sum is σ = 100324224. Its totient is φ = 71092224.

The previous prime is 85351841. The next prime is 85351907. The reversal of 85351861 is 16815358.

It is not a de Polignac number, because 85351861 - 2⁵ = 85351829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85351861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85351831) 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, 69525 + ... + 70741.

It is an arithmetic number, because the mean of its divisors is an integer number (6270264).

Almost surely, 2^85351861 is an apocalyptic number.

It is an amenable number.

85351861 is a deficient number, since it is larger than the sum of its proper divisors (14972363).

85351861 is a wasteful number, since it uses less digits than its factorization.

85351861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its digits is 28800, while the sum is 37.

The square root of 85351861 is about 9238.6070919809. The cubic root of 85351861 is about 440.2888272382.

The spelling of 85351861 in words is "eighty-five million, three hundred fifty-one thousand, eight hundred sixty-one".