86598137 has 2 divisors, whose sum is σ = 86598138. Its totient is φ = 86598136.

The previous prime is 86598121. The next prime is 86598139. The reversal of 86598137 is 73189568.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 126736 = 9299^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 86598137 - 2⁴ = 86598121 is a prime.

Together with 86598139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86598091 and 86598100.

It is not a weakly prime, because it can be changed into another prime (86598139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43299068 + 43299069.

It is an arithmetic number, because the mean of its divisors is an integer number (43299069).

Almost surely, 2^86598137 is an apocalyptic number.

It is an amenable number.

86598137 is a deficient number, since it is larger than the sum of its proper divisors (1).

86598137 is an equidigital number, since it uses as much as digits as its factorization.

86598137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 86598137 is about 9305.8120011098. The cubic root of 86598137 is about 442.4214583913.

The spelling of 86598137 in words is "eighty-six million, five hundred ninety-eight thousand, one hundred thirty-seven".