98711863 has 4 divisors (see below), whose sum is σ = 99303120. Its totient is φ = 98120608.

The previous prime is 98711849. The next prime is 98711869. The reversal of 98711863 is 36811789.

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 98711863 - 2¹⁷ = 98580791 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 (98711869) 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, 295378 + ... + 295711.

It is an arithmetic number, because the mean of its divisors is an integer number (24825780).

Almost surely, 2^98711863 is an apocalyptic number.

98711863 is a deficient number, since it is larger than the sum of its proper divisors (591257).

98711863 is a wasteful number, since it uses less digits than its factorization.

98711863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591256.

The product of its digits is 72576, while the sum is 43.

The square root of 98711863 is about 9935.3843911547. The cubic root of 98711863 is about 462.1572632914.

The spelling of 98711863 in words is "ninety-eight million, seven hundred eleven thousand, eight hundred sixty-three".