83477539 has 2 divisors, whose sum is σ = 83477540. Its totient is φ = 83477538.

The previous prime is 83477533. The next prime is 83477567. The reversal of 83477539 is 93577438.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83477539 is a prime.

It is not a weakly prime, because it can be changed into another prime (83477533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41738769 + 41738770.

It is an arithmetic number, because the mean of its divisors is an integer number (41738770).

Almost surely, 2^83477539 is an apocalyptic number.

83477539 is a deficient number, since it is larger than the sum of its proper divisors (1).

83477539 is an equidigital number, since it uses as much as digits as its factorization.

83477539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 83477539 is about 9136.6043473492. The cubic root of 83477539 is about 437.0420376836.

The spelling of 83477539 in words is "eighty-three million, four hundred seventy-seven thousand, five hundred thirty-nine".