99115468279 has 2 divisors, whose sum is σ = 99115468280. Its totient is φ = 99115468278.

The previous prime is 99115468217. The next prime is 99115468303. The reversal of 99115468279 is 97286451199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99115468279 - 2²⁹ = 98578597367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99115468979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49557734139 + 49557734140.

It is an arithmetic number, because the mean of its divisors is an integer number (49557734140).

Almost surely, 2^99115468279 is an apocalyptic number.

99115468279 is a deficient number, since it is larger than the sum of its proper divisors (1).

99115468279 is an equidigital number, since it uses as much as digits as its factorization.

99115468279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 61.

The spelling of 99115468279 in words is "ninety-nine billion, one hundred fifteen million, four hundred sixty-eight thousand, two hundred seventy-nine".