8964870381 has 24 divisors (see below), whose sum is σ = 13272689664. Its totient is φ = 5828225760.

The previous prime is 8964870371. The next prime is 8964870391. The reversal of 8964870381 is 1830784698.

8964870381 is a `hidden beast` number, since 89 + 6 + 487 + 0 + 3 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (8964870371) and next prime (8964870391).

It is not a de Polignac number, because 8964870381 - 2¹³ = 8964862189 is a prime.

It is a super-2 number, since 2×8964870381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8964870331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78916 + ... + 155426.

It is an arithmetic number, because the mean of its divisors is an integer number (553028736).

Almost surely, 2^8964870381 is an apocalyptic number.

It is an amenable number.

8964870381 is a deficient number, since it is larger than the sum of its proper divisors (4307819283).

8964870381 is a wasteful number, since it uses less digits than its factorization.

8964870381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76841 (or 76838 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 8964870381 is about 94682.9994296759. Note that the first 3 decimals coincide. The cubic root of 8964870381 is about 2077.3739032972.

The spelling of 8964870381 in words is "eight billion, nine hundred sixty-four million, eight hundred seventy thousand, three hundred eighty-one".