8726340281 has 4 divisors (see below), whose sum is σ = 8731448100. Its totient is φ = 8721232464.

The previous prime is 8726340253. The next prime is 8726340289. The reversal of 8726340281 is 1820436278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1820436278 = 2 ⋅910218139.

It can be written as a sum of positive squares in 2 ways, for example, as 1072890025 + 7653450256 = 32755^2 + 87484^2 .

It is a cyclic number.

It is not a de Polignac number, because 8726340281 - 2²⁶ = 8659231417 is a prime.

It is a super-2 number, since 2×8726340281² (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 (8726340289) 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, 2551346 + ... + 2554763.

It is an arithmetic number, because the mean of its divisors is an integer number (2182862025).

Almost surely, 2^8726340281 is an apocalyptic number.

It is an amenable number.

8726340281 is a deficient number, since it is larger than the sum of its proper divisors (5107819).

8726340281 is a wasteful number, since it uses less digits than its factorization.

8726340281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107818.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8726340281 is about 93414.8825455559. The cubic root of 8726340281 is about 2058.7836695053.

The spelling of 8726340281 in words is "eight billion, seven hundred twenty-six million, three hundred forty thousand, two hundred eighty-one".