86659373 has 2 divisors, whose sum is σ = 86659374. Its totient is φ = 86659372.

The previous prime is 86659357. The next prime is 86659409. The reversal of 86659373 is 37395668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43586404 + 43072969 = 6602^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 86659373 - 2⁴ = 86659357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86659303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43329686 + 43329687.

It is an arithmetic number, because the mean of its divisors is an integer number (43329687).

Almost surely, 2^86659373 is an apocalyptic number.

It is an amenable number.

86659373 is a deficient number, since it is larger than the sum of its proper divisors (1).

86659373 is an equidigital number, since it uses as much as digits as its factorization.

86659373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 86659373 is about 9309.1016215315. The cubic root of 86659373 is about 442.5257167430.

The spelling of 86659373 in words is "eighty-six million, six hundred fifty-nine thousand, three hundred seventy-three".