99963247 has 8 divisors (see below), whose sum is σ = 107841456. Its totient is φ = 92307072.

The previous prime is 99963217. The next prime is 99963271. The reversal of 99963247 is 74236999.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99963247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99963247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99963217) 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 7 ways as a sum of consecutive naturals, for example, 54573 + ... + 56374.

It is an arithmetic number, because the mean of its divisors is an integer number (13480182).

Almost surely, 2^99963247 is an apocalyptic number.

99963247 is a deficient number, since it is larger than the sum of its proper divisors (7878209).

99963247 is a wasteful number, since it uses less digits than its factorization.

99963247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111017.

The product of its digits is 734832, while the sum is 49.

The square root of 99963247 is about 9998.1621811211. The cubic root of 99963247 is about 464.1020122886.

It can be divided in two parts, 999 and 63247, that added together give a palindrome (64246).

The spelling of 99963247 in words is "ninety-nine million, nine hundred sixty-three thousand, two hundred forty-seven".