99000975 has 24 divisors (see below), whose sum is σ = 164092672. Its totient is φ = 52668000.

The previous prime is 99000973. The next prime is 99000977. The reversal of 99000975 is 57900099.

It is an interprime number because it is at equal distance from previous prime (99000973) and next prime (99000977).

It is not a de Polignac number, because 99000975 - 2¹ = 99000973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33300 + ... + 36150.

Almost surely, 2^99000975 is an apocalyptic number.

99000975 is a deficient number, since it is larger than the sum of its proper divisors (65091697).

99000975 is a wasteful number, since it uses less digits than its factorization.

99000975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 99000975 is about 9949.9233665391. The cubic root of 99000975 is about 462.6080195710.

The spelling of 99000975 in words is "ninety-nine million, nine hundred seventy-five", and thus it is an aban number.