8167856852 has 12 divisors (see below), whose sum is σ = 14322170016. Its totient is φ = 4075808280.

The previous prime is 8167856833. The next prime is 8167856867. The reversal of 8167856852 is 2586587618.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027774 + ... + 2031797.

It is an arithmetic number, because the mean of its divisors is an integer number (1193514168).

Almost surely, 2^8167856852 is an apocalyptic number.

It is an amenable number.

8167856852 is a deficient number, since it is larger than the sum of its proper divisors (6154313164).

8167856852 is a wasteful number, since it uses less digits than its factorization.

8167856852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060078 (or 4060076 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 56.

The square root of 8167856852 is about 90376.1962687078. The cubic root of 8167856852 is about 2013.8913626374.

The spelling of 8167856852 in words is "eight billion, one hundred sixty-seven million, eight hundred fifty-six thousand, eight hundred fifty-two".