98987699 has 4 divisors (see below), whose sum is σ = 103291536. Its totient is φ = 94683864.

The previous prime is 98987683. The next prime is 98987717. The reversal of 98987699 is 99678989.

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

It is a cyclic number.

It is not a de Polignac number, because 98987699 - 2⁴ = 98987683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98987639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151884 + ... + 2151929.

It is an arithmetic number, because the mean of its divisors is an integer number (25822884).

Almost surely, 2^98987699 is an apocalyptic number.

98987699 is a deficient number, since it is larger than the sum of its proper divisors (4303837).

98987699 is a wasteful number, since it uses less digits than its factorization.

98987699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303836.

The product of its digits is 17635968, while the sum is 65.

The square root of 98987699 is about 9949.2562033551. The cubic root of 98987699 is about 462.5873401160.

It can be divided in two parts, 989 and 87699, that added together give a palindrome (88688).

The spelling of 98987699 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred ninety-nine".