812350027811 has 4 divisors (see below), whose sum is σ = 928400031792. Its totient is φ = 696300023832.

The previous prime is 812350027807. The next prime is 812350027823. The reversal of 812350027811 is 118720053218.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 812350027811 - 2² = 812350027807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812350027871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58025001980 + ... + 58025001993.

It is an arithmetic number, because the mean of its divisors is an integer number (232100007948).

Almost surely, 2^812350027811 is an apocalyptic number.

812350027811 is a deficient number, since it is larger than the sum of its proper divisors (116050003981).

812350027811 is a wasteful number, since it uses less digits than its factorization.

812350027811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116050003980.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 812350027811 in words is "eight hundred twelve billion, three hundred fifty million, twenty-seven thousand, eight hundred eleven".