86997037 has 2 divisors, whose sum is σ = 86997038. Its totient is φ = 86997036.

The previous prime is 86997023. The next prime is 86997049. The reversal of 86997037 is 73079968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 39262756 = 6909^2 + 6266^2 .

It is a cyclic number.

It is not a de Polignac number, because 86997037 - 2⁷ = 86996909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86997137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43498518 + 43498519.

It is an arithmetic number, because the mean of its divisors is an integer number (43498519).

Almost surely, 2^86997037 is an apocalyptic number.

It is an amenable number.

86997037 is a deficient number, since it is larger than the sum of its proper divisors (1).

86997037 is an equidigital number, since it uses as much as digits as its factorization.

86997037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 86997037 is about 9327.2202182644. The cubic root of 86997037 is about 443.0997317697.

The spelling of 86997037 in words is "eighty-six million, nine hundred ninety-seven thousand, thirty-seven".