8670880581 has 16 divisors (see below), whose sum is σ = 12685101120. Its totient is φ = 5224699520.

The previous prime is 8670880579. The next prime is 8670880597. The reversal of 8670880581 is 1850880768.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8670880581 - 2¹ = 8670880579 is a prime.

It is a super-2 number, since 2×8670880581² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8670880511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753696 + ... + 765113.

It is an arithmetic number, because the mean of its divisors is an integer number (792818820).

Almost surely, 2^8670880581 is an apocalyptic number.

It is an amenable number.

8670880581 is a deficient number, since it is larger than the sum of its proper divisors (4014220539).

8670880581 is a wasteful number, since it uses less digits than its factorization.

8670880581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518996.

The product of its (nonzero) digits is 860160, while the sum is 51.

The square root of 8670880581 is about 93117.5632252047. The cubic root of 8670880581 is about 2054.4129075142.

The spelling of 8670880581 in words is "eight billion, six hundred seventy million, eight hundred eighty thousand, five hundred eighty-one".