1791080842 has 8 divisors (see below), whose sum is σ = 2723424516. Its totient is φ = 883272672.

The previous prime is 1791080827. The next prime is 1791080843. The reversal of 1791080842 is 2480801971.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1672728201 + 118352641 = 40899^2 + 10879^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1791080795 and 1791080804.

It is not an unprimeable number, because it can be changed into a prime (1791080843) 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, 6133693 + ... + 6133984.

Almost surely, 2^1791080842 is an apocalyptic number.

1791080842 is a deficient number, since it is larger than the sum of its proper divisors (932343674).

1791080842 is a wasteful number, since it uses less digits than its factorization.

1791080842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267752.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 1791080842 is about 42321.1630511261. The cubic root of 1791080842 is about 1214.4278817272.

The spelling of 1791080842 in words is "one billion, seven hundred ninety-one million, eighty thousand, eight hundred forty-two".