39997000097 has 2 divisors, whose sum is σ = 39997000098. Its totient is φ = 39997000096.

The previous prime is 39997000051. The next prime is 39997000151. The reversal of 39997000097 is 79000079993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39626476096 + 370524001 = 199064^2 + 19249^2 .

It is a cyclic number.

It is not a de Polignac number, because 39997000097 - 2¹⁴ = 39996983713 is a prime.

It is not a weakly prime, because it can be changed into another prime (39997006097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19998500048 + 19998500049.

It is an arithmetic number, because the mean of its divisors is an integer number (19998500049).

Almost surely, 2^39997000097 is an apocalyptic number.

It is an amenable number.

39997000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

39997000097 is an equidigital number, since it uses as much as digits as its factorization.

39997000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 964467, while the sum is 53.

The spelling of 39997000097 in words is "thirty-nine billion, nine hundred ninety-seven million, ninety-seven", and thus it is an aban number.