83519085 has 16 divisors (see below), whose sum is σ = 143910144. Its totient is φ = 41116992.

The previous prime is 83519057. The next prime is 83519129. The reversal of 83519085 is 58091538.

It is not a de Polignac number, because 83519085 - 2⁹ = 83518573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213957 + ... + 214346.

It is an arithmetic number, because the mean of its divisors is an integer number (8994384).

Almost surely, 2^83519085 is an apocalyptic number.

It is an amenable number.

83519085 is a deficient number, since it is larger than the sum of its proper divisors (60391059).

83519085 is a wasteful number, since it uses less digits than its factorization.

83519085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428324.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 83519085 is about 9138.8776663221. The cubic root of 83519085 is about 437.1145295870.

The spelling of 83519085 in words is "eighty-three million, five hundred nineteen thousand, eighty-five".