8272881865 has 8 divisors (see below), whose sum is σ = 10449956160. Its totient is φ = 6269973552.

The previous prime is 8272881857. The next prime is 8272881893. The reversal of 8272881865 is 5681882728.

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

It is not a de Polignac number, because 8272881865 - 2³ = 8272881857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43541389 + ... + 43541578.

It is an arithmetic number, because the mean of its divisors is an integer number (1306244520).

Almost surely, 2^8272881865 is an apocalyptic number.

It is an amenable number.

8272881865 is a deficient number, since it is larger than the sum of its proper divisors (2177074295).

8272881865 is a wasteful number, since it uses less digits than its factorization.

8272881865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87082991.

The product of its digits is 3440640, while the sum is 55.

The square root of 8272881865 is about 90955.3839253070. The cubic root of 8272881865 is about 2022.4863890727.

The spelling of 8272881865 in words is "eight billion, two hundred seventy-two million, eight hundred eighty-one thousand, eight hundred sixty-five".