93768021797 has 2 divisors, whose sum is σ = 93768021798. Its totient is φ = 93768021796.

The previous prime is 93768021791. The next prime is 93768021901. The reversal of 93768021797 is 79712086739.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64378405441 + 29389616356 = 253729^2 + 171434^2 .

It is an emirp because it is prime and its reverse (79712086739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93768021797 - 2¹² = 93768017701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93768021791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46884010898 + 46884010899.

It is an arithmetic number, because the mean of its divisors is an integer number (46884010899).

Almost surely, 2^93768021797 is an apocalyptic number.

It is an amenable number.

93768021797 is a deficient number, since it is larger than the sum of its proper divisors (1).

93768021797 is an equidigital number, since it uses as much as digits as its factorization.

93768021797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 93768021797 in words is "ninety-three billion, seven hundred sixty-eight million, twenty-one thousand, seven hundred ninety-seven".