8187274245 has 8 divisors (see below), whose sum is σ = 13099638816. Its totient is φ = 4366546256.

The previous prime is 8187274223. The next prime is 8187274247. The reversal of 8187274245 is 5424727818.

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 8187274245 - 2⁸ = 8187273989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8187274194 and 8187274203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8187274247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272909127 + ... + 272909156.

It is an arithmetic number, because the mean of its divisors is an integer number (1637454852).

Almost surely, 2^8187274245 is an apocalyptic number.

It is an amenable number.

8187274245 is a deficient number, since it is larger than the sum of its proper divisors (4912364571).

8187274245 is a wasteful number, since it uses less digits than its factorization.

8187274245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545818291.

The product of its digits is 1003520, while the sum is 48.

The square root of 8187274245 is about 90483.5578710298. The cubic root of 8187274245 is about 2015.4859699694.

The spelling of 8187274245 in words is "eight billion, one hundred eighty-seven million, two hundred seventy-four thousand, two hundred forty-five".