8734588381 has 4 divisors (see below), whose sum is σ = 8947627164. Its totient is φ = 8521549600.

The previous prime is 8734588367. The next prime is 8734588393. The reversal of 8734588381 is 1838854378.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 690112900 + 8044475481 = 26270^2 + 89691^2 .

It is a cyclic number.

It is not a de Polignac number, because 8734588381 - 2⁵ = 8734588349 is a prime.

It is a super-2 number, since 2×8734588381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8734588301) 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 3 ways as a sum of consecutive naturals, for example, 106519330 + ... + 106519411.

It is an arithmetic number, because the mean of its divisors is an integer number (2236906791).

Almost surely, 2^8734588381 is an apocalyptic number.

It is an amenable number.

8734588381 is a deficient number, since it is larger than the sum of its proper divisors (213038783).

8734588381 is a wasteful number, since it uses less digits than its factorization.

8734588381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213038782.

The product of its digits is 5160960, while the sum is 55.

The square root of 8734588381 is about 93459.0197947742. The cubic root of 8734588381 is about 2059.4321164565.

The spelling of 8734588381 in words is "eight billion, seven hundred thirty-four million, five hundred eighty-eight thousand, three hundred eighty-one".