99998962447 has 2 divisors, whose sum is σ = 99998962448. Its totient is φ = 99998962446.

The previous prime is 99998962423. The next prime is 99998962489. The reversal of 99998962447 is 74426989999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99998962447 - 2³¹ = 97851478799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99998962247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999481223 + 49999481224.

It is an arithmetic number, because the mean of its divisors is an integer number (49999481224).

Almost surely, 2^99998962447 is an apocalyptic number.

99998962447 is a deficient number, since it is larger than the sum of its proper divisors (1).

99998962447 is an equidigital number, since it uses as much as digits as its factorization.

99998962447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 634894848, while the sum is 76.

The spelling of 99998962447 in words is "ninety-nine billion, nine hundred ninety-eight million, nine hundred sixty-two thousand, four hundred forty-seven".