8721714937 has 4 divisors (see below), whose sum is σ = 9392616100. Its totient is φ = 8050813776.

The previous prime is 8721714923. The next prime is 8721714959. The reversal of 8721714937 is 7394171278.

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 1086625296 + 7635089641 = 32964^2 + 87379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8721714937 is a prime.

It is a super-2 number, since 2×8721714937² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8721711937) 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, 335450562 + ... + 335450587.

It is an arithmetic number, because the mean of its divisors is an integer number (2348154025).

Almost surely, 2^8721714937 is an apocalyptic number.

It is an amenable number.

8721714937 is a deficient number, since it is larger than the sum of its proper divisors (670901163).

8721714937 is a wasteful number, since it uses less digits than its factorization.

8721714937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670901162.

The product of its digits is 592704, while the sum is 49.

The square root of 8721714937 is about 93390.1222667580. The cubic root of 8721714937 is about 2058.4198565992.

The spelling of 8721714937 in words is "eight billion, seven hundred twenty-one million, seven hundred fourteen thousand, nine hundred thirty-seven".