99746744625 has 64 divisors (see below), whose sum is σ = 201186236160. Its totient is φ = 48362040000.

The previous prime is 99746744621. The next prime is 99746744663. The reversal of 99746744625 is 52644764799.

It is a happy number.

It is not a de Polignac number, because 99746744625 - 2² = 99746744621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99746744621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1306266 + ... + 1380515.

It is an arithmetic number, because the mean of its divisors is an integer number (3143534940).

Almost surely, 2^99746744625 is an apocalyptic number.

It is an amenable number.

99746744625 is an abundant number, since it is smaller than the sum of its proper divisors (101439491535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99746744625 is a wasteful number, since it uses less digits than its factorization.

99746744625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686816 (or 2686800 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 99746744625 in words is "ninety-nine billion, seven hundred forty-six million, seven hundred forty-four thousand, six hundred twenty-five".