8113901237 has 8 divisors (see below), whose sum is σ = 8796694200. Its totient is φ = 7439486400.

The previous prime is 8113901233. The next prime is 8113901239. The reversal of 8113901237 is 7321093118.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206956996 + 7906944241 = 14386^2 + 88921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8113901237 - 2² = 8113901233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8113901197 and 8113901206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113901233) 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 7 ways as a sum of consecutive naturals, for example, 2092514 + ... + 2096387.

It is an arithmetic number, because the mean of its divisors is an integer number (1099586775).

Almost surely, 2^8113901237 is an apocalyptic number.

It is an amenable number.

8113901237 is a deficient number, since it is larger than the sum of its proper divisors (682792963).

8113901237 is a wasteful number, since it uses less digits than its factorization.

8113901237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189063.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 8113901237 is about 90077.1959876638. The cubic root of 8113901237 is about 2009.4470758683.

The spelling of 8113901237 in words is "eight billion, one hundred thirteen million, nine hundred one thousand, two hundred thirty-seven".