98718813 has 48 divisors (see below), whose sum is σ = 164548800. Its totient is φ = 56609280.

The previous prime is 98718803. The next prime is 98718821. The reversal of 98718813 is 31881789.

It is not a de Polignac number, because 98718813 - 2¹⁰ = 98717789 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98718803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83718 + ... + 84888.

It is an arithmetic number, because the mean of its divisors is an integer number (3428100).

Almost surely, 2^98718813 is an apocalyptic number.

It is an amenable number.

98718813 is a deficient number, since it is larger than the sum of its proper divisors (65829987).

98718813 is a wasteful number, since it uses less digits than its factorization.

98718813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1239 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 98718813 is about 9935.7341449940. The cubic root of 98718813 is about 462.1681093961.

The spelling of 98718813 in words is "ninety-eight million, seven hundred eighteen thousand, eight hundred thirteen".