83945527 has 2 divisors, whose sum is σ = 83945528. Its totient is φ = 83945526.

The previous prime is 83945513. The next prime is 83945531. The reversal of 83945527 is 72554938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83945527 - 2¹¹ = 83943479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83945567) 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, 41972763 + 41972764.

It is an arithmetic number, because the mean of its divisors is an integer number (41972764).

Almost surely, 2^83945527 is an apocalyptic number.

83945527 is a deficient number, since it is larger than the sum of its proper divisors (1).

83945527 is an equidigital number, since it uses as much as digits as its factorization.

83945527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 83945527 is about 9162.1791621863. The cubic root of 83945527 is about 437.8572246500.

The spelling of 83945527 in words is "eighty-three million, nine hundred forty-five thousand, five hundred twenty-seven".