98857663 has 4 divisors (see below), whose sum is σ = 98882368. Its totient is φ = 98832960.

The previous prime is 98857651. The next prime is 98857679. The reversal of 98857663 is 36675889.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98857663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98857663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98857613) 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, 4818 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (24720592).

Almost surely, 2^98857663 is an apocalyptic number.

98857663 is a deficient number, since it is larger than the sum of its proper divisors (24705).

98857663 is a wasteful number, since it uses less digits than its factorization.

98857663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24704.

The product of its digits is 2177280, while the sum is 52.

The square root of 98857663 is about 9942.7190948955. The cubic root of 98857663 is about 462.3846908058.

The spelling of 98857663 in words is "ninety-eight million, eight hundred fifty-seven thousand, six hundred sixty-three".