86512933 has 8 divisors (see below), whose sum is σ = 93347576. Its totient is φ = 79704000.

The previous prime is 86512931. The next prime is 86512961. The reversal of 86512933 is 33921568.

It can be written as a sum of positive squares in 4 ways, for example, as 431649 + 86081284 = 657^2 + 9278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86512933 - 2¹ = 86512931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86512892 and 86512901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86512931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (11668447).

Almost surely, 2^86512933 is an apocalyptic number.

It is an amenable number.

86512933 is a deficient number, since it is larger than the sum of its proper divisors (6834643).

86512933 is a wasteful number, since it uses less digits than its factorization.

86512933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855.

The product of its digits is 38880, while the sum is 37.

The square root of 86512933 is about 9301.2328752698. The cubic root of 86512933 is about 442.2763111281.

The spelling of 86512933 in words is "eighty-six million, five hundred twelve thousand, nine hundred thirty-three".