99647380022 has 4 divisors (see below), whose sum is σ = 149471070036. Its totient is φ = 49823690010.

The previous prime is 99647379961. The next prime is 99647380061. The reversal of 99647380022 is 22008374699.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24911845004 + ... + 24911845007.

It is an arithmetic number, because the mean of its divisors is an integer number (37367767509).

Almost surely, 2^99647380022 is an apocalyptic number.

99647380022 is a deficient number, since it is larger than the sum of its proper divisors (49823690014).

99647380022 is a wasteful number, since it uses less digits than its factorization.

99647380022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49823690013.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 99647380022 in words is "ninety-nine billion, six hundred forty-seven million, three hundred eighty thousand, twenty-two".