97631840797307 has 4 divisors (see below), whose sum is σ = 97732388523096. Its totient is φ = 97531293071520.

The previous prime is 97631840797301. The next prime is 97631840797333. The reversal of 97631840797307 is 70379704813679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97631840797307 - 2¹² = 97631840793211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97631840797301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50273861438 + ... + 50273863379.

It is an arithmetic number, because the mean of its divisors is an integer number (24433097130774).

Almost surely, 2^{97631840797307} is an apocalyptic number.

97631840797307 is a deficient number, since it is larger than the sum of its proper divisors (100547725789).

97631840797307 is a wasteful number, since it uses less digits than its factorization.

97631840797307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100547725788.

The product of its (nonzero) digits is 336063168, while the sum is 71.

The spelling of 97631840797307 in words is "ninety-seven trillion, six hundred thirty-one billion, eight hundred forty million, seven hundred ninety-seven thousand, three hundred seven".