812008057 has 12 divisors (see below), whose sum is σ = 956542080. Its totient is φ = 687193416.

The previous prime is 812008051. The next prime is 812008063. The reversal of 812008057 is 750800218.

It is an interprime number because it is at equal distance from previous prime (812008051) and next prime (812008063).

It is not a de Polignac number, because 812008057 - 2⁷ = 812007929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812008051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101013 + ... + 108754.

It is an arithmetic number, because the mean of its divisors is an integer number (79711840).

Almost surely, 2^812008057 is an apocalyptic number.

It is an amenable number.

812008057 is a deficient number, since it is larger than the sum of its proper divisors (144534023).

812008057 is a wasteful number, since it uses less digits than its factorization.

812008057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209860 (or 209853 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 812008057 is about 28495.7550698345. The cubic root of 812008057 is about 932.9394247485.

The spelling of 812008057 in words is "eight hundred twelve million, eight thousand, fifty-seven".