98783899 has 4 divisors (see below), whose sum is σ = 98824264. Its totient is φ = 98743536.

The previous prime is 98783879. The next prime is 98783903. The reversal of 98783899 is 99838789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99838789 = 3527 ⋅28307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98783899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98783879) 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, 16257 + ... + 21490.

It is an arithmetic number, because the mean of its divisors is an integer number (24706066).

Almost surely, 2^98783899 is an apocalyptic number.

98783899 is a deficient number, since it is larger than the sum of its proper divisors (40365).

98783899 is a wasteful number, since it uses less digits than its factorization.

98783899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40364.

The product of its digits is 7838208, while the sum is 61.

The square root of 98783899 is about 9939.0089546192. The cubic root of 98783899 is about 462.2696572986.

The spelling of 98783899 in words is "ninety-eight million, seven hundred eighty-three thousand, eight hundred ninety-nine".