99849679 has 6 divisors (see below), whose sum is σ = 100383504. Its totient is φ = 99317340.

The previous prime is 99849661. The next prime is 99849683. The reversal of 99849679 is 97694899.

It is a de Polignac number, because none of the positive numbers 2^k-99849679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99849689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164194 + ... + 164800.

It is an arithmetic number, because the mean of its divisors is an integer number (16730584).

Almost surely, 2^99849679 is an apocalyptic number.

99849679 is a deficient number, since it is larger than the sum of its proper divisors (533825).

99849679 is an frugal number, since it uses more digits than its factorization.

99849679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 878 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The square root of 99849679 is about 9992.4811233247. The cubic root of 99849679 is about 463.9261906353.

The spelling of 99849679 in words is "ninety-nine million, eight hundred forty-nine thousand, six hundred seventy-nine".