99284448257 has 4 divisors (see below), whose sum is σ = 99309230016. Its totient is φ = 99259666500.

The previous prime is 99284448199. The next prime is 99284448283. The reversal of 99284448257 is 75284448299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99284448257 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 99284448257.

It is not an unprimeable number, because it can be changed into a prime (99284448157) 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, 12384869 + ... + 12392882.

It is an arithmetic number, because the mean of its divisors is an integer number (24827307504).

Almost surely, 2^99284448257 is an apocalyptic number.

It is an amenable number.

99284448257 is a deficient number, since it is larger than the sum of its proper divisors (24781759).

99284448257 is a wasteful number, since it uses less digits than its factorization.

99284448257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24781758.

The product of its digits is 46448640, while the sum is 62.

The spelling of 99284448257 in words is "ninety-nine billion, two hundred eighty-four million, four hundred forty-eight thousand, two hundred fifty-seven".