98699799 has 16 divisors (see below), whose sum is σ = 143777664. Its totient is φ = 59728800.

The previous prime is 98699779. The next prime is 98699801. The reversal of 98699799 is 99799689.

It is not a de Polignac number, because 98699799 - 2⁵ = 98699767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98699719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25272 + ... + 28914.

It is an arithmetic number, because the mean of its divisors is an integer number (8986104).

Almost surely, 2^98699799 is an apocalyptic number.

98699799 is a deficient number, since it is larger than the sum of its proper divisors (45077865).

98699799 is a wasteful number, since it uses less digits than its factorization.

98699799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478.

The product of its digits is 19840464, while the sum is 66.

The square root of 98699799 is about 9934.7772496418. Note that the first 3 decimals coincide. The cubic root of 98699799 is about 462.1384351175.

The spelling of 98699799 in words is "ninety-eight million, six hundred ninety-nine thousand, seven hundred ninety-nine".