814827573842 has 32 divisors (see below), whose sum is σ = 1242124502400. Its totient is φ = 400811846400.

The previous prime is 814827573827. The next prime is 814827573893. The reversal of 814827573842 is 248375728418.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 145997492 + ... + 146003072.

It is an arithmetic number, because the mean of its divisors is an integer number (38816390700).

Almost surely, 2^814827573842 is an apocalyptic number.

814827573842 is a deficient number, since it is larger than the sum of its proper divisors (427296928558).

814827573842 is a wasteful number, since it uses less digits than its factorization.

814827573842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682.

The product of its digits is 24084480, while the sum is 59.

The spelling of 814827573842 in words is "eight hundred fourteen billion, eight hundred twenty-seven million, five hundred seventy-three thousand, eight hundred forty-two".