99628251744 has 96 divisors (see below), whose sum is σ = 303345858816. Its totient is φ = 28040348160.

The previous prime is 99628251731. The next prime is 99628251787. The reversal of 99628251744 is 44715282699.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061367 + ... + 1151414.

It is an arithmetic number, because the mean of its divisors is an integer number (3159852696).

Almost surely, 2^99628251744 is an apocalyptic number.

It is an amenable number.

99628251744 is an abundant number, since it is smaller than the sum of its proper divisors (203717607072).

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

99628251744 is a wasteful number, since it uses less digits than its factorization.

99628251744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212868 (or 2212860 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 99628251744 in words is "ninety-nine billion, six hundred twenty-eight million, two hundred fifty-one thousand, seven hundred forty-four".