97911371 has 2 divisors, whose sum is σ = 97911372. Its totient is φ = 97911370.

The previous prime is 97911367. The next prime is 97911377. The reversal of 97911371 is 17311979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97911371 - 2² = 97911367 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97911377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48955685 + 48955686.

It is an arithmetic number, because the mean of its divisors is an integer number (48955686).

Almost surely, 2^97911371 is an apocalyptic number.

97911371 is a deficient number, since it is larger than the sum of its proper divisors (1).

97911371 is an equidigital number, since it uses as much as digits as its factorization.

97911371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 38.

The square root of 97911371 is about 9895.0174835621. The cubic root of 97911371 is about 460.9046014501.

The spelling of 97911371 in words is "ninety-seven million, nine hundred eleven thousand, three hundred seventy-one".