83427427 has 2 divisors, whose sum is σ = 83427428. Its totient is φ = 83427426.

The previous prime is 83427413. The next prime is 83427431. The reversal of 83427427 is 72472438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83427427 - 2⁷ = 83427299 is a prime.

It is not a weakly prime, because it can be changed into another prime (83427437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41713713 + 41713714.

It is an arithmetic number, because the mean of its divisors is an integer number (41713714).

Almost surely, 2^83427427 is an apocalyptic number.

83427427 is a deficient number, since it is larger than the sum of its proper divisors (1).

83427427 is an equidigital number, since it uses as much as digits as its factorization.

83427427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 37.

The square root of 83427427 is about 9133.8615601508. The cubic root of 83427427 is about 436.9545673103.

The spelling of 83427427 in words is "eighty-three million, four hundred twenty-seven thousand, four hundred twenty-seven".