97087716793 has 2 divisors, whose sum is σ = 97087716794. Its totient is φ = 97087716792.

The previous prime is 97087716767. The next prime is 97087716821. The reversal of 97087716793 is 39761778079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96993004969 + 94711824 = 311437^2 + 9732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97087716793 is a prime.

It is not a weakly prime, because it can be changed into another prime (97087716743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48543858396 + 48543858397.

It is an arithmetic number, because the mean of its divisors is an integer number (48543858397).

Almost surely, 2^97087716793 is an apocalyptic number.

It is an amenable number.

97087716793 is a deficient number, since it is larger than the sum of its proper divisors (1).

97087716793 is an equidigital number, since it uses as much as digits as its factorization.

97087716793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28005264, while the sum is 64.

The spelling of 97087716793 in words is "ninety-seven billion, eighty-seven million, seven hundred sixteen thousand, seven hundred ninety-three".