82790593 has 8 divisors (see below), whose sum is σ = 86740416. Its totient is φ = 78870000.

The previous prime is 82790569. The next prime is 82790651. The reversal of 82790593 is 39509728.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82790593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82790503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (10842552).

Almost surely, 2^82790593 is an apocalyptic number.

It is an amenable number.

82790593 is a deficient number, since it is larger than the sum of its proper divisors (3949823).

82790593 is a wasteful number, since it uses less digits than its factorization.

82790593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 82790593 is about 9098.9336188369. The cubic root of 82790593 is about 435.8399115574.

The spelling of 82790593 in words is "eighty-two million, seven hundred ninety thousand, five hundred ninety-three".