8278236245 has 8 divisors (see below), whose sum is σ = 10365791616. Its totient is φ = 6334650256.

The previous prime is 8278236221. The next prime is 8278236287. The reversal of 8278236245 is 5426328728.

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 8278236245 - 2²⁰ = 8277187669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8278236245.

It is a congruent number.

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, 35992217 + ... + 35992446.

It is an arithmetic number, because the mean of its divisors is an integer number (1295723952).

Almost surely, 2^8278236245 is an apocalyptic number.

It is an amenable number.

8278236245 is a deficient number, since it is larger than the sum of its proper divisors (2087555371).

8278236245 is a wasteful number, since it uses less digits than its factorization.

8278236245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71984691.

The product of its digits is 1290240, while the sum is 47.

The square root of 8278236245 is about 90984.8132657313. The cubic root of 8278236245 is about 2022.9226266259.

The spelling of 8278236245 in words is "eight billion, two hundred seventy-eight million, two hundred thirty-six thousand, two hundred forty-five".