97122087197227 has 2 divisors, whose sum is σ = 97122087197228. Its totient is φ = 97122087197226.

The previous prime is 97122087197189. The next prime is 97122087197339. The reversal of 97122087197227 is 72279178022179.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97122087197227 is a prime.

It is not a weakly prime, because it can be changed into another prime (97122087197827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48561043598613 + 48561043598614.

It is an arithmetic number, because the mean of its divisors is an integer number (48561043598614).

Almost surely, 2^{97122087197227} is an apocalyptic number.

97122087197227 is a deficient number, since it is larger than the sum of its proper divisors (1).

97122087197227 is an equidigital number, since it uses as much as digits as its factorization.

97122087197227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24893568, while the sum is 64.

The spelling of 97122087197227 in words is "ninety-seven trillion, one hundred twenty-two billion, eighty-seven million, one hundred ninety-seven thousand, two hundred twenty-seven".