986259427 has 2 divisors, whose sum is σ = 986259428. Its totient is φ = 986259426.

The previous prime is 986259397. The next prime is 986259433. The reversal of 986259427 is 724952689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 986259427 - 2²⁷ = 852041699 is a prime.

It is not a weakly prime, because it can be changed into another prime (986259487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493129713 + 493129714.

It is an arithmetic number, because the mean of its divisors is an integer number (493129714).

Almost surely, 2^986259427 is an apocalyptic number.

986259427 is a deficient number, since it is larger than the sum of its proper divisors (1).

986259427 is an equidigital number, since it uses as much as digits as its factorization.

986259427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 986259427 is about 31404.7675839195. The cubic root of 986259427 is about 995.3986692286.

The spelling of 986259427 in words is "nine hundred eighty-six million, two hundred fifty-nine thousand, four hundred twenty-seven".