98742113 has 4 divisors (see below), whose sum is σ = 99243540. Its totient is φ = 98240688.

The previous prime is 98742101. The next prime is 98742131. The reversal of 98742113 is 31124789.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72199009 + 26543104 = 8497^2 + 5152^2 .

It is a cyclic number.

It is not a de Polignac number, because 98742113 - 2⁸ = 98741857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98742313) 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, 250418 + ... + 250811.

It is an arithmetic number, because the mean of its divisors is an integer number (24810885).

Almost surely, 2^98742113 is an apocalyptic number.

98742113 is the 5312-nd centered heptagonal number.

It is an amenable number.

98742113 is a deficient number, since it is larger than the sum of its proper divisors (501427).

98742113 is a wasteful number, since it uses less digits than its factorization.

98742113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501426.

The product of its digits is 12096, while the sum is 35.

The square root of 98742113 is about 9936.9066112146. The cubic root of 98742113 is about 462.2044674435.

The spelling of 98742113 in words is "ninety-eight million, seven hundred forty-two thousand, one hundred thirteen".