99223765075 has 72 divisors (see below), whose sum is σ = 132086287008. Its totient is φ = 73920591360.

The previous prime is 99223765033. The next prime is 99223765079. The reversal of 99223765075 is 57056732299.

99223765075 is a nontrivial binomial coefficient, being equal to C(445475, 2).

It is not a de Polignac number, because 99223765075 - 2¹¹ = 99223763027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99223765079) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 160816167 + ... + 160816783.

It is an arithmetic number, because the mean of its divisors is an integer number (1834531764).

Almost surely, 2^99223765075 is an apocalyptic number.

99223765075 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99223765075 is the 445474-th triangular number.

99223765075 is the 148492-nd centered nonagonal number.

99223765075 is a deficient number, since it is larger than the sum of its proper divisors (32862521933).

99223765075 is a wasteful number, since it uses less digits than its factorization.

99223765075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 55.

The spelling of 99223765075 in words is "ninety-nine billion, two hundred twenty-three million, seven hundred sixty-five thousand, seventy-five".