97309969927 has 2 divisors, whose sum is σ = 97309969928. Its totient is φ = 97309969926.

The previous prime is 97309969921. The next prime is 97309969931. The reversal of 97309969927 is 72996990379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97309969927 - 2²³ = 97301581319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97309969921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48654984963 + 48654984964.

It is an arithmetic number, because the mean of its divisors is an integer number (48654984964).

Almost surely, 2^97309969927 is an apocalyptic number.

97309969927 is a deficient number, since it is larger than the sum of its proper divisors (1).

97309969927 is an equidigital number, since it uses as much as digits as its factorization.

97309969927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104162436, while the sum is 70.

The spelling of 97309969927 in words is "ninety-seven billion, three hundred nine million, nine hundred sixty-nine thousand, nine hundred twenty-seven".