97986118859 has 2 divisors, whose sum is σ = 97986118860. Its totient is φ = 97986118858.

The previous prime is 97986118829. The next prime is 97986118883. The reversal of 97986118859 is 95881168979.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97986118859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97986118792 and 97986118801.

It is not a weakly prime, because it can be changed into another prime (97986118819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48993059429 + 48993059430.

It is an arithmetic number, because the mean of its divisors is an integer number (48993059430).

Almost surely, 2^97986118859 is an apocalyptic number.

97986118859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97986118859 is an equidigital number, since it uses as much as digits as its factorization.

97986118859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 71.

The spelling of 97986118859 in words is "ninety-seven billion, nine hundred eighty-six million, one hundred eighteen thousand, eight hundred fifty-nine".