99412775 has 48 divisors (see below), whose sum is σ = 157394688. Its totient is φ = 60480000.

The previous prime is 99412757. The next prime is 99412777. The reversal of 99412775 is 57721499.

It is not a de Polignac number, because 99412775 - 2⁸ = 99412519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99412777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82175 + ... + 83375.

It is an arithmetic number, because the mean of its divisors is an integer number (3279056).

Almost surely, 2^99412775 is an apocalyptic number.

99412775 is a deficient number, since it is larger than the sum of its proper divisors (57981913).

99412775 is a wasteful number, since it uses less digits than its factorization.

99412775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1267 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 99412775 is about 9970.5955188243. The cubic root of 99412775 is about 463.2485467869.

The spelling of 99412775 in words is "ninety-nine million, four hundred twelve thousand, seven hundred seventy-five".