97992209767 has 2 divisors, whose sum is σ = 97992209768. Its totient is φ = 97992209766.

The previous prime is 97992209747. The next prime is 97992209797. The reversal of 97992209767 is 76790229979.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97992209767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97992209747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48996104883 + 48996104884.

It is an arithmetic number, because the mean of its divisors is an integer number (48996104884).

Almost surely, 2^97992209767 is an apocalyptic number.

97992209767 is a deficient number, since it is larger than the sum of its proper divisors (1).

97992209767 is an equidigital number, since it uses as much as digits as its factorization.

97992209767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54010152, while the sum is 67.

The spelling of 97992209767 in words is "ninety-seven billion, nine hundred ninety-two million, two hundred nine thousand, seven hundred sixty-seven".