8570138886 has 24 divisors (see below), whose sum is σ = 18571231224. Its totient is φ = 2856313440.

The previous prime is 8570138861. The next prime is 8570138891. The reversal of 8570138886 is 6888310758.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 117426 + ... + 175866.

It is an arithmetic number, because the mean of its divisors is an integer number (773801301).

Almost surely, 2^8570138886 is an apocalyptic number.

8570138886 is an abundant number, since it is smaller than the sum of its proper divisors (10001092338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8570138886 is a wasteful number, since it uses less digits than its factorization.

8570138886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66596 (or 66593 counting only the distinct ones).

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

The square root of 8570138886 is about 92575.0446178666. The cubic root of 8570138886 is about 2046.4255685762.

It can be divided in two parts, 8570 and 138886, that added together give a square (147456 = 384²).

The spelling of 8570138886 in words is "eight billion, five hundred seventy million, one hundred thirty-eight thousand, eight hundred eighty-six".