8273785247 has 16 divisors (see below), whose sum is σ = 10186616832. Its totient is φ = 6544044000.

The previous prime is 8273785237. The next prime is 8273785249. The reversal of 8273785247 is 7425873728.

It is not a de Polignac number, because 8273785247 - 2¹⁶ = 8273719711 is a prime.

It is a super-4 number, since 4×8273785247⁴ (a number of 41 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8273785249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281858 + ... + 309824.

It is an arithmetic number, because the mean of its divisors is an integer number (636663552).

Almost surely, 2^8273785247 is an apocalyptic number.

8273785247 is a deficient number, since it is larger than the sum of its proper divisors (1912831585).

8273785247 is a wasteful number, since it uses less digits than its factorization.

8273785247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31238.

The product of its digits is 5268480, while the sum is 53.

The square root of 8273785247 is about 90960.3498619041. The cubic root of 8273785247 is about 2022.5600035370.

The spelling of 8273785247 in words is "eight billion, two hundred seventy-three million, seven hundred eighty-five thousand, two hundred forty-seven".