97188251659 has 2 divisors, whose sum is σ = 97188251660. Its totient is φ = 97188251658.

The previous prime is 97188251651. The next prime is 97188251669. The reversal of 97188251659 is 95615288179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97188251659 - 2³ = 97188251651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97188251597 and 97188251606.

It is not a weakly prime, because it can be changed into another prime (97188251651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48594125829 + 48594125830.

It is an arithmetic number, because the mean of its divisors is an integer number (48594125830).

Almost surely, 2^97188251659 is an apocalyptic number.

97188251659 is a deficient number, since it is larger than the sum of its proper divisors (1).

97188251659 is an equidigital number, since it uses as much as digits as its factorization.

97188251659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 61.

The spelling of 97188251659 in words is "ninety-seven billion, one hundred eighty-eight million, two hundred fifty-one thousand, six hundred fifty-nine".