99563371 has 4 divisors (see below), whose sum is σ = 100965744. Its totient is φ = 98161000.

The previous prime is 99563353. The next prime is 99563381. The reversal of 99563371 is 17336599.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99563371 - 2¹¹ = 99561323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99563341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701080 + ... + 701221.

It is an arithmetic number, because the mean of its divisors is an integer number (25241436).

Almost surely, 2^99563371 is an apocalyptic number.

99563371 is a deficient number, since it is larger than the sum of its proper divisors (1402373).

99563371 is a wasteful number, since it uses less digits than its factorization.

99563371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402372.

The product of its digits is 153090, while the sum is 43.

The square root of 99563371 is about 9978.1446672215. The cubic root of 99563371 is about 463.4823469888.

The spelling of 99563371 in words is "ninety-nine million, five hundred sixty-three thousand, three hundred seventy-one".