83058209 has 16 divisors (see below), whose sum is σ = 95174352. Its totient is φ = 71804928.

The previous prime is 83058197. The next prime is 83058211. The reversal of 83058209 is 90285038.

It can be written as a sum of positive squares in 8 ways, for example, as 1697809 + 81360400 = 1303^2 + 9020^2 .

It is not a de Polignac number, because 83058209 - 2⁴ = 83058193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83058289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50687 + ... + 52299.

It is an arithmetic number, because the mean of its divisors is an integer number (5948397).

Almost surely, 2^83058209 is an apocalyptic number.

It is an amenable number.

83058209 is a deficient number, since it is larger than the sum of its proper divisors (12116143).

83058209 is a wasteful number, since it uses less digits than its factorization.

83058209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 83058209 is about 9113.6276531357. The cubic root of 83058209 is about 436.3090159156.

The spelling of 83058209 in words is "eighty-three million, fifty-eight thousand, two hundred nine".