8272471139 has 4 divisors (see below), whose sum is σ = 8276636424. Its totient is φ = 8268305856.

The previous prime is 8272471073. The next prime is 8272471177. The reversal of 8272471139 is 9311742728.

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

It is a cyclic number.

It is not a de Polignac number, because 8272471139 - 2¹² = 8272467043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8272471139.

It is not an unprimeable number, because it can be changed into a prime (8272461139) 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, 2079662 + ... + 2083635.

It is an arithmetic number, because the mean of its divisors is an integer number (2069159106).

Almost surely, 2^8272471139 is an apocalyptic number.

8272471139 is a deficient number, since it is larger than the sum of its proper divisors (4165285).

8272471139 is a wasteful number, since it uses less digits than its factorization.

8272471139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165284.

The product of its digits is 169344, while the sum is 44.

The square root of 8272471139 is about 90953.1260540285. The cubic root of 8272471139 is about 2022.4529182095.

The spelling of 8272471139 in words is "eight billion, two hundred seventy-two million, four hundred seventy-one thousand, one hundred thirty-nine".