8734815281 has 2 divisors, whose sum is σ = 8734815282. Its totient is φ = 8734815280.

The previous prime is 8734815263. The next prime is 8734815289. The reversal of 8734815281 is 1825184378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8734771600 + 43681 = 93460^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 8734815281 - 2²⁶ = 8667706417 is a prime.

It is a super-2 number, since 2×8734815281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8734815289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4367407640 + 4367407641.

It is an arithmetic number, because the mean of its divisors is an integer number (4367407641).

Almost surely, 2^8734815281 is an apocalyptic number.

It is an amenable number.

8734815281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8734815281 is an equidigital number, since it uses as much as digits as its factorization.

8734815281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 47.

The square root of 8734815281 is about 93460.2336879167. The cubic root of 8734815281 is about 2059.4499490503.

The spelling of 8734815281 in words is "eight billion, seven hundred thirty-four million, eight hundred fifteen thousand, two hundred eighty-one".