99893101825 has 72 divisors (see below), whose sum is σ = 143547687360. Its totient is φ = 68715504000.

The previous prime is 99893101811. The next prime is 99893101859. The reversal of 99893101825 is 52810139899.

99893101825 is a nontrivial binomial coefficient, being equal to C(446975, 2).

It is not a de Polignac number, because 99893101825 - 2⁷ = 99893101697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 54083052 + ... + 54084898.

It is an arithmetic number, because the mean of its divisors is an integer number (1993717880).

Almost surely, 2^99893101825 is an apocalyptic number.

99893101825 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99893101825 is the 446974-th triangular number.

99893101825 is the 148992-nd centered nonagonal number.

It is an amenable number.

99893101825 is a deficient number, since it is larger than the sum of its proper divisors (43654585535).

99893101825 is a wasteful number, since it uses less digits than its factorization.

99893101825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 99893101825 in words is "ninety-nine billion, eight hundred ninety-three million, one hundred one thousand, eight hundred twenty-five".