99956775 has 12 divisors (see below), whose sum is σ = 165261992. Its totient is φ = 53310240.

The previous prime is 99956723. The next prime is 99956807. The reversal of 99956775 is 57765999.

It is not a de Polignac number, because 99956775 - 2¹¹ = 99954727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666304 + ... + 666453.

Almost surely, 2^99956775 is an apocalyptic number.

99956775 is a deficient number, since it is larger than the sum of its proper divisors (65305217).

99956775 is a wasteful number, since it uses less digits than its factorization.

99956775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332770 (or 1332765 counting only the distinct ones).

The product of its digits is 5358150, while the sum is 57.

The square root of 99956775 is about 9997.8385163994. The cubic root of 99956775 is about 464.0919961639.

The spelling of 99956775 in words is "ninety-nine million, nine hundred fifty-six thousand, seven hundred seventy-five".