86596789 has 2 divisors, whose sum is σ = 86596790. Its totient is φ = 86596788.

The previous prime is 86596787. The next prime is 86596801. The reversal of 86596789 is 98769568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 1034289 = 9250^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 86596789 - 2¹ = 86596787 is a prime.

It is a super-2 number, since 2×86596789² = 14998007730221042, which contains 22 as substring.

Together with 86596787, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86596781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43298394 + 43298395.

It is an arithmetic number, because the mean of its divisors is an integer number (43298395).

Almost surely, 2^86596789 is an apocalyptic number.

It is an amenable number.

86596789 is a deficient number, since it is larger than the sum of its proper divisors (1).

86596789 is an equidigital number, since it uses as much as digits as its factorization.

86596789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 58.

The square root of 86596789 is about 9305.7395729732. The cubic root of 86596789 is about 442.4191627791.

The spelling of 86596789 in words is "eighty-six million, five hundred ninety-six thousand, seven hundred eighty-nine".