8273637281 has 32 divisors (see below), whose sum is σ = 10398920448. Its totient is φ = 6408668160.

The previous prime is 8273637233. The next prime is 8273637329. The reversal of 8273637281 is 1827363728.

It is an interprime number because it is at equal distance from previous prime (8273637233) and next prime (8273637329).

It is a cyclic number.

It is not a de Polignac number, because 8273637281 - 2²⁶ = 8206528417 is a prime.

It is a super-2 number, since 2×8273637281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8273637481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 905546 + ... + 914636.

It is an arithmetic number, because the mean of its divisors is an integer number (324966264).

Almost surely, 2^8273637281 is an apocalyptic number.

It is an amenable number.

8273637281 is a deficient number, since it is larger than the sum of its proper divisors (2125283167).

8273637281 is a wasteful number, since it uses less digits than its factorization.

8273637281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321.

The product of its digits is 677376, while the sum is 47.

The square root of 8273637281 is about 90959.5365038763. The cubic root of 8273637281 is about 2022.5479465043.

The spelling of 8273637281 in words is "eight billion, two hundred seventy-three million, six hundred thirty-seven thousand, two hundred eighty-one".