85998713 has 2 divisors, whose sum is σ = 85998714. Its totient is φ = 85998712.

The previous prime is 85998709. The next prime is 85998761. The reversal of 85998713 is 31789958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85137529 + 861184 = 9227^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 85998713 - 2² = 85998709 is a prime.

It is a super-3 number, since 3×85998713³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85998113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42999356 + 42999357.

It is an arithmetic number, because the mean of its divisors is an integer number (42999357).

Almost surely, 2^85998713 is an apocalyptic number.

It is an amenable number.

85998713 is a deficient number, since it is larger than the sum of its proper divisors (1).

85998713 is an equidigital number, since it uses as much as digits as its factorization.

85998713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 85998713 is about 9273.5491048465. The cubic root of 85998713 is about 441.3982943633.

The spelling of 85998713 in words is "eighty-five million, nine hundred ninety-eight thousand, seven hundred thirteen".