91879201889323 has 2 divisors, whose sum is σ = 91879201889324. Its totient is φ = 91879201889322.

The previous prime is 91879201889303. The next prime is 91879201889351. The reversal of 91879201889323 is 32398810297819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91879201889323 - 2⁹ = 91879201888811 is a prime.

It is not a weakly prime, because it can be changed into another prime (91879201889303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45939600944661 + 45939600944662.

It is an arithmetic number, because the mean of its divisors is an integer number (45939600944662).

Almost surely, 2^{91879201889323} is an apocalyptic number.

91879201889323 is a deficient number, since it is larger than the sum of its proper divisors (1).

91879201889323 is an equidigital number, since it uses as much as digits as its factorization.

91879201889323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 70.

The spelling of 91879201889323 in words is "ninety-one trillion, eight hundred seventy-nine billion, two hundred one million, eight hundred eighty-nine thousand, three hundred twenty-three".