8670225881 has 4 divisors (see below), whose sum is σ = 8706202164. Its totient is φ = 8634249600.

The previous prime is 8670225871. The next prime is 8670225929. The reversal of 8670225881 is 1885220768.

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 7978062400 + 692163481 = 89320^2 + 26309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8670225881 is a prime.

It is a super-2 number, since 2×8670225881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8670225821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17987780 + ... + 17988261.

It is an arithmetic number, because the mean of its divisors is an integer number (2176550541).

Almost surely, 2^8670225881 is an apocalyptic number.

It is an amenable number.

8670225881 is a deficient number, since it is larger than the sum of its proper divisors (35976283).

8670225881 is a wasteful number, since it uses less digits than its factorization.

8670225881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35976282.

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

The square root of 8670225881 is about 93114.0477103213. The cubic root of 8670225881 is about 2054.3611996562.

The spelling of 8670225881 in words is "eight billion, six hundred seventy million, two hundred twenty-five thousand, eight hundred eighty-one".