83549479 has 16 divisors (see below), whose sum is σ = 95075680. Its totient is φ = 72985536.

The previous prime is 83549467. The next prime is 83549489. The reversal of 83549479 is 97494538.

It is not a de Polignac number, because 83549479 - 2⁵ = 83549447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83549489) 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 in 15 ways as a sum of consecutive naturals, for example, 88699 + ... + 89635.

It is an arithmetic number, because the mean of its divisors is an integer number (5942230).

Almost surely, 2^83549479 is an apocalyptic number.

83549479 is a deficient number, since it is larger than the sum of its proper divisors (11526201).

83549479 is an equidigital number, since it uses as much as digits as its factorization.

83549479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 969 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 83549479 is about 9140.5404107197. The cubic root of 83549479 is about 437.1675475996.

The spelling of 83549479 in words is "eighty-three million, five hundred forty-nine thousand, four hundred seventy-nine".