99512917 has 8 divisors (see below), whose sum is σ = 120419136. Its totient is φ = 80279232.

The previous prime is 99512911. The next prime is 99512921. The reversal of 99512917 is 71921599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99512917 - 2¹¹ = 99510869 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 (99512911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418003 + ... + 418240.

It is an arithmetic number, because the mean of its divisors is an integer number (15052392).

Almost surely, 2^99512917 is an apocalyptic number.

It is an amenable number.

99512917 is a deficient number, since it is larger than the sum of its proper divisors (20906219).

99512917 is a wasteful number, since it uses less digits than its factorization.

99512917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836267.

The product of its digits is 51030, while the sum is 43.

The square root of 99512917 is about 9975.6161213230. The cubic root of 99512917 is about 463.4040434613.

The spelling of 99512917 in words is "ninety-nine million, five hundred twelve thousand, nine hundred seventeen".