99536837447 has 2 divisors, whose sum is σ = 99536837448. Its totient is φ = 99536837446.

The previous prime is 99536837371. The next prime is 99536837471. The reversal of 99536837447 is 74473863599.

It is a strong prime.

It is an emirp because it is prime and its reverse (74473863599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99536837447 - 2¹⁰ = 99536836423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99536833447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49768418723 + 49768418724.

It is an arithmetic number, because the mean of its divisors is an integer number (49768418724).

Almost surely, 2^99536837447 is an apocalyptic number.

99536837447 is a deficient number, since it is larger than the sum of its proper divisors (1).

99536837447 is an equidigital number, since it uses as much as digits as its factorization.

99536837447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 65.

The spelling of 99536837447 in words is "ninety-nine billion, five hundred thirty-six million, eight hundred thirty-seven thousand, four hundred forty-seven".