8277984243 has 8 divisors (see below), whose sum is σ = 12263680400. Its totient is φ = 5518656144.

The previous prime is 8277984241. The next prime is 8277984259. The reversal of 8277984243 is 3424897728.

It is a happy number.

It is not a de Polignac number, because 8277984243 - 2¹ = 8277984241 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 8277984243.

It is not an unprimeable number, because it can be changed into a prime (8277984241) 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, 153295978 + ... + 153296031.

It is an arithmetic number, because the mean of its divisors is an integer number (1532960050).

Almost surely, 2^8277984243 is an apocalyptic number.

8277984243 is a deficient number, since it is larger than the sum of its proper divisors (3985696157).

8277984243 is a wasteful number, since it uses less digits than its factorization.

8277984243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306592018 (or 306592012 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 8277984243 is about 90983.4283977033. The cubic root of 8277984243 is about 2022.9020994787.

The spelling of 8277984243 in words is "eight billion, two hundred seventy-seven million, nine hundred eighty-four thousand, two hundred forty-three".