99952281817823 has 8 divisors (see below), whose sum is σ = 100975506119040. Its totient is φ = 98933402418840.

The previous prime is 99952281817807. The next prime is 99952281817867. The reversal of 99952281817823 is 32871818225999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99952281817823 - 2⁴ = 99952281817807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99952281817523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086179315 + ... + 1086271332.

It is an arithmetic number, because the mean of its divisors is an integer number (12621938264880).

Almost surely, 2^{99952281817823} is an apocalyptic number.

99952281817823 is a deficient number, since it is larger than the sum of its proper divisors (1023224301217).

99952281817823 is a wasteful number, since it uses less digits than its factorization.

99952281817823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172451117.

The product of its digits is 313528320, while the sum is 74.

The spelling of 99952281817823 in words is "ninety-nine trillion, nine hundred fifty-two billion, two hundred eighty-one million, eight hundred seventeen thousand, eight hundred twenty-three".