98718863 has 2 divisors, whose sum is σ = 98718864. Its totient is φ = 98718862.

The previous prime is 98718853. The next prime is 98718869. The reversal of 98718863 is 36881789.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98718863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98718869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49359431 + 49359432.

It is an arithmetic number, because the mean of its divisors is an integer number (49359432).

Almost surely, 2^98718863 is an apocalyptic number.

98718863 is a deficient number, since it is larger than the sum of its proper divisors (1).

98718863 is an equidigital number, since it uses as much as digits as its factorization.

98718863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The square root of 98718863 is about 9935.7366611641. The cubic root of 98718863 is about 462.1681874238.

The spelling of 98718863 in words is "ninety-eight million, seven hundred eighteen thousand, eight hundred sixty-three".