83085291 has 16 divisors (see below), whose sum is σ = 125413920. Its totient is φ = 54344160.

The previous prime is 83085283. The next prime is 83085323. The reversal of 83085291 is 19258038.

It is not a de Polignac number, because 83085291 - 2³ = 83085283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83085221) 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, 27600 + ... + 30461.

It is an arithmetic number, because the mean of its divisors is an integer number (7838370).

Almost surely, 2^83085291 is an apocalyptic number.

83085291 is a deficient number, since it is larger than the sum of its proper divisors (42328629).

83085291 is a wasteful number, since it uses less digits than its factorization.

83085291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58123 (or 58117 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 83085291 is about 9115.1133289718. The cubic root of 83085291 is about 436.3564318058.

The spelling of 83085291 in words is "eighty-three million, eighty-five thousand, two hundred ninety-one".