827489519 has 2 divisors, whose sum is σ = 827489520. Its totient is φ = 827489518.

The previous prime is 827489503. The next prime is 827489587. The reversal of 827489519 is 915984728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827489519 - 2⁴ = 827489503 is a prime.

It is a super-2 number, since 2×827489519² = 1369477808109702722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827489599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413744759 + 413744760.

It is an arithmetic number, because the mean of its divisors is an integer number (413744760).

Almost surely, 2^827489519 is an apocalyptic number.

827489519 is a deficient number, since it is larger than the sum of its proper divisors (1).

827489519 is an equidigital number, since it uses as much as digits as its factorization.

827489519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 53.

The square root of 827489519 is about 28766.1175517309. The cubic root of 827489519 is about 938.8311709755.

The spelling of 827489519 in words is "eight hundred twenty-seven million, four hundred eighty-nine thousand, five hundred nineteen".