8885706381 has 24 divisors (see below), whose sum is σ = 12923149824. Its totient is φ = 5883217920.

The previous prime is 8885706329. The next prime is 8885706397. The reversal of 8885706381 is 1836075888.

It is a happy number.

8885706381 is a `hidden beast` number, since 8 + 8 + 8 + 570 + 63 + 8 + 1 = 666.

It is not a de Polignac number, because 8885706381 - 2⁶ = 8885706317 is a prime.

It is a super-2 number, since 2×8885706381² (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 (8885706881) 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, 797076 + ... + 808146.

It is an arithmetic number, because the mean of its divisors is an integer number (538464576).

Almost surely, 2^8885706381 is an apocalyptic number.

It is an amenable number.

8885706381 is a deficient number, since it is larger than the sum of its proper divisors (4037443443).

8885706381 is a wasteful number, since it uses less digits than its factorization.

8885706381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681 (or 11678 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 8885706381 is about 94264.0248504168. The cubic root of 8885706381 is about 2071.2410879934.

The spelling of 8885706381 in words is "eight billion, eight hundred eighty-five million, seven hundred six thousand, three hundred eighty-one".