99874825 has 6 divisors (see below), whose sum is σ = 123844814. Its totient is φ = 79899840.

The previous prime is 99874799. The next prime is 99874829. The reversal of 99874825 is 52847899.

It can be written as a sum of positive squares in 3 ways, for example, as 26378496 + 73496329 = 5136^2 + 8573^2 .

It is not a de Polignac number, because 99874825 - 2¹¹ = 99872777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99874829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1997472 + ... + 1997521.

Almost surely, 2^99874825 is an apocalyptic number.

It is an amenable number.

99874825 is a deficient number, since it is larger than the sum of its proper divisors (23969989).

99874825 is a wasteful number, since it uses less digits than its factorization.

99874825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995003 (or 3994998 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 99874825 is about 9993.7392901756. The cubic root of 99874825 is about 463.9651322020.

The spelling of 99874825 in words is "ninety-nine million, eight hundred seventy-four thousand, eight hundred twenty-five".