99733663 has 4 divisors (see below), whose sum is σ = 99885208. Its totient is φ = 99582120.

The previous prime is 99733661. The next prime is 99733693. The reversal of 99733663 is 36633799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36633799 = 71 ⋅515969.

It is a cyclic number.

It is not a de Polignac number, because 99733663 - 2¹ = 99733661 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 (99733661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74781 + ... + 76102.

It is an arithmetic number, because the mean of its divisors is an integer number (24971302).

Almost surely, 2^99733663 is an apocalyptic number.

99733663 is a deficient number, since it is larger than the sum of its proper divisors (151545).

99733663 is a wasteful number, since it uses less digits than its factorization.

99733663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151544.

The product of its digits is 551124, while the sum is 46.

The square root of 99733663 is about 9986.6742712477. The cubic root of 99733663 is about 463.7464413673.

The spelling of 99733663 in words is "ninety-nine million, seven hundred thirty-three thousand, six hundred sixty-three".