8213112057 has 8 divisors (see below), whose sum is σ = 10952029440. Its totient is φ = 5474801360.

The previous prime is 8213112053. The next prime is 8213112073. The reversal of 8213112057 is 7502113128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8213112057 - 2² = 8213112053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8213112053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119082 + ... + 174947.

It is an arithmetic number, because the mean of its divisors is an integer number (1369003680).

Almost surely, 2^8213112057 is an apocalyptic number.

It is an amenable number.

8213112057 is a deficient number, since it is larger than the sum of its proper divisors (2738917383).

8213112057 is a wasteful number, since it uses less digits than its factorization.

8213112057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303343.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 8213112057 is about 90626.2216855585. The cubic root of 8213112057 is about 2017.6039342140.

The spelling of 8213112057 in words is "eight billion, two hundred thirteen million, one hundred twelve thousand, fifty-seven".