1798313927 has 2 divisors, whose sum is σ = 1798313928. Its totient is φ = 1798313926.

The previous prime is 1798313921. The next prime is 1798313971. The reversal of 1798313927 is 7293138971.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1798313927 - 2⁴ = 1798313911 is a prime.

It is a super-2 number, since 2×1798313927² = 6467865960084322658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1798313921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899156963 + 899156964.

It is an arithmetic number, because the mean of its divisors is an integer number (899156964).

Almost surely, 2^1798313927 is an apocalyptic number.

1798313927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1798313927 is an equidigital number, since it uses as much as digits as its factorization.

1798313927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 1798313927 is about 42406.5316549232. The cubic root of 1798313927 is about 1216.0604642917.

The spelling of 1798313927 in words is "one billion, seven hundred ninety-eight million, three hundred thirteen thousand, nine hundred twenty-seven".