86514437 has 2 divisors, whose sum is σ = 86514438. Its totient is φ = 86514436.

The previous prime is 86514433. The next prime is 86514443. The reversal of 86514437 is 73441568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66569281 + 19945156 = 8159^2 + 4466^2 .

It is a cyclic number.

It is not a de Polignac number, because 86514437 - 2² = 86514433 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86514437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86514433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43257218 + 43257219.

It is an arithmetic number, because the mean of its divisors is an integer number (43257219).

Almost surely, 2^86514437 is an apocalyptic number.

It is an amenable number.

86514437 is a deficient number, since it is larger than the sum of its proper divisors (1).

86514437 is an equidigital number, since it uses as much as digits as its factorization.

86514437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 86514437 is about 9301.3137244155. The cubic root of 86514437 is about 442.2788740578.

The spelling of 86514437 in words is "eighty-six million, five hundred fourteen thousand, four hundred thirty-seven".