108972863999 has 2 divisors, whose sum is σ = 108972864000. Its totient is φ = 108972863998.

The previous prime is 108972863953. The next prime is 108972864023. The reversal of 108972863999 is 999368279801.

It is a strong prime.

It is an emirp because it is prime and its reverse (999368279801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108972863999 - 2²⁴ = 108956086783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108972860999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54486431999 + 54486432000.

It is an arithmetic number, because the mean of its divisors is an integer number (54486432000).

Almost surely, 2^108972863999 is an apocalyptic number.

108972863999 is a deficient number, since it is larger than the sum of its proper divisors (1).

108972863999 is an equidigital number, since it uses as much as digits as its factorization.

108972863999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 108972863999 in words is "one hundred eight billion, nine hundred seventy-two million, eight hundred sixty-three thousand, nine hundred ninety-nine".