1790827105 has 4 divisors (see below), whose sum is σ = 2148992532. Its totient is φ = 1432661680.

The previous prime is 1790827079. The next prime is 1790827153. The reversal of 1790827105 is 5017280971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5017280971 = 14407 ⋅348253.

It can be written as a sum of positive squares in 2 ways, for example, as 534904384 + 1255922721 = 23128^2 + 35439^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1790827105 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179082706 + ... + 179082715.

It is an arithmetic number, because the mean of its divisors is an integer number (537248133).

Almost surely, 2^1790827105 is an apocalyptic number.

It is an amenable number.

1790827105 is a deficient number, since it is larger than the sum of its proper divisors (358165427).

1790827105 is an equidigital number, since it uses as much as digits as its factorization.

1790827105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358165426.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 1790827105 is about 42318.1651894314. The cubic root of 1790827105 is about 1214.3705309119.

The spelling of 1790827105 in words is "one billion, seven hundred ninety million, eight hundred twenty-seven thousand, one hundred five".