93820231997 has 2 divisors, whose sum is σ = 93820231998. Its totient is φ = 93820231996.

The previous prime is 93820231951. The next prime is 93820232027. The reversal of 93820231997 is 79913202839.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92082509401 + 1737722596 = 303451^2 + 41686^2 .

It is a cyclic number.

It is not a de Polignac number, because 93820231997 - 2⁶ = 93820231933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93820231927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46910115998 + 46910115999.

It is an arithmetic number, because the mean of its divisors is an integer number (46910115999).

Almost surely, 2^93820231997 is an apocalyptic number.

It is an amenable number.

93820231997 is a deficient number, since it is larger than the sum of its proper divisors (1).

93820231997 is an equidigital number, since it uses as much as digits as its factorization.

93820231997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 93820231997 in words is "ninety-three billion, eight hundred twenty million, two hundred thirty-one thousand, nine hundred ninety-seven".