83425847 has 2 divisors, whose sum is σ = 83425848. Its totient is φ = 83425846.

The previous prime is 83425843. The next prime is 83425871. The reversal of 83425847 is 74852438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83425847 - 2² = 83425843 is a prime.

It is a Chen prime.

It is equal to p_4857548 and since 83425847 and 4857548 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83425843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41712923 + 41712924.

It is an arithmetic number, because the mean of its divisors is an integer number (41712924).

Almost surely, 2^83425847 is an apocalyptic number.

83425847 is a deficient number, since it is larger than the sum of its proper divisors (1).

83425847 is an equidigital number, since it uses as much as digits as its factorization.

83425847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 83425847 is about 9133.7750683931. The cubic root of 83425847 is about 436.9518088546.

The spelling of 83425847 in words is "eighty-three million, four hundred twenty-five thousand, eight hundred forty-seven".