99874847899 has 4 divisors (see below), whose sum is σ = 101139086560. Its totient is φ = 98610609240.

The previous prime is 99874847869. The next prime is 99874847951.

99874847899 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 99874847899 - 2³⁵ = 65515109531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99874847869) 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, 632119212 + ... + 632119369.

It is an arithmetic number, because the mean of its divisors is an integer number (25284771640).

Almost surely, 2^99874847899 is an apocalyptic number.

99874847899 is a deficient number, since it is larger than the sum of its proper divisors (1264238661).

99874847899 is a wasteful number, since it uses less digits than its factorization.

99874847899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264238660.

The product of its digits is 2633637888, while the sum is 82.

The spelling of 99874847899 in words is "ninety-nine billion, eight hundred seventy-four million, eight hundred forty-seven thousand, eight hundred ninety-nine".