82058993 has 4 divisors (see below), whose sum is σ = 82905060. Its totient is φ = 81212928.

The previous prime is 82058989. The next prime is 82059023. The reversal of 82058993 is 39985028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51940849 + 30118144 = 7207^2 + 5488^2 .

It is a cyclic number.

It is not a de Polignac number, because 82058993 - 2² = 82058989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82058903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422888 + ... + 423081.

It is an arithmetic number, because the mean of its divisors is an integer number (20726265).

Almost surely, 2^82058993 is an apocalyptic number.

It is an amenable number.

82058993 is a deficient number, since it is larger than the sum of its proper divisors (846067).

82058993 is an equidigital number, since it uses as much as digits as its factorization.

82058993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846066.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 82058993 is about 9058.6418960019. The cubic root of 82058993 is about 434.5523081538.

The spelling of 82058993 in words is "eighty-two million, fifty-eight thousand, nine hundred ninety-three".