319463827 has 2 divisors, whose sum is σ = 319463828. Its totient is φ = 319463826.

The previous prime is 319463803. The next prime is 319463843. The reversal of 319463827 is 728364913.

It is a strong prime.

It is an emirp because it is prime and its reverse (728364913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319463827 - 2¹⁹ = 318939539 is a prime.

It is a super-2 number, since 2×319463827² = 204114273522971858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319463857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159731913 + 159731914.

It is an arithmetic number, because the mean of its divisors is an integer number (159731914).

Almost surely, 2^319463827 is an apocalyptic number.

319463827 is a deficient number, since it is larger than the sum of its proper divisors (1).

319463827 is an equidigital number, since it uses as much as digits as its factorization.

319463827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 319463827 is about 17873.5510461687. The cubic root of 319463827 is about 683.6081472208.

The spelling of 319463827 in words is "three hundred nineteen million, four hundred sixty-three thousand, eight hundred twenty-seven".