97522639859 has 2 divisors, whose sum is σ = 97522639860. Its totient is φ = 97522639858.

The previous prime is 97522639853. The next prime is 97522639873. The reversal of 97522639859 is 95893622579.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97522639859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97522639795 and 97522639804.

It is not a weakly prime, because it can be changed into another prime (97522639853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48761319929 + 48761319930.

It is an arithmetic number, because the mean of its divisors is an integer number (48761319930).

Almost surely, 2^97522639859 is an apocalyptic number.

97522639859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97522639859 is an equidigital number, since it uses as much as digits as its factorization.

97522639859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 65.

The spelling of 97522639859 in words is "ninety-seven billion, five hundred twenty-two million, six hundred thirty-nine thousand, eight hundred fifty-nine".