97077161 has 2 divisors, whose sum is σ = 97077162. Its totient is φ = 97077160.

The previous prime is 97077139. The next prime is 97077173. The reversal of 97077161 is 16177079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54096025 + 42981136 = 7355^2 + 6556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97077161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97077121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48538580 + 48538581.

It is an arithmetic number, because the mean of its divisors is an integer number (48538581).

Almost surely, 2^97077161 is an apocalyptic number.

It is an amenable number.

97077161 is a deficient number, since it is larger than the sum of its proper divisors (1).

97077161 is an equidigital number, since it uses as much as digits as its factorization.

97077161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 97077161 is about 9852.7742793591. The cubic root of 97077161 is about 459.5918891348.

The spelling of 97077161 in words is "ninety-seven million, seventy-seven thousand, one hundred sixty-one".