97871659 has 2 divisors, whose sum is σ = 97871660. Its totient is φ = 97871658.

The previous prime is 97871629. The next prime is 97871663. The reversal of 97871659 is 95617879.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97871659 is a prime.

It is not a weakly prime, because it can be changed into another prime (97871629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48935829 + 48935830.

It is an arithmetic number, because the mean of its divisors is an integer number (48935830).

Almost surely, 2^97871659 is an apocalyptic number.

97871659 is a deficient number, since it is larger than the sum of its proper divisors (1).

97871659 is an equidigital number, since it uses as much as digits as its factorization.

97871659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 52.

The square root of 97871659 is about 9893.0106135595. The cubic root of 97871659 is about 460.8422800586.

The spelling of 97871659 in words is "ninety-seven million, eight hundred seventy-one thousand, six hundred fifty-nine".