82593691 has 8 divisors (see below), whose sum is σ = 84036960. Its totient is φ = 81162048.

The previous prime is 82593689. The next prime is 82593697. The reversal of 82593691 is 19639528.

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 not a de Polignac number, because 82593691 - 2¹ = 82593689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82593697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12085 + ... + 17641.

It is an arithmetic number, because the mean of its divisors is an integer number (10504620).

Almost surely, 2^82593691 is an apocalyptic number.

82593691 is a deficient number, since it is larger than the sum of its proper divisors (1443269).

82593691 is a wasteful number, since it uses less digits than its factorization.

82593691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813.

The product of its digits is 116640, while the sum is 43.

The square root of 82593691 is about 9088.1071186469. The cubic root of 82593691 is about 435.4941159341.

The spelling of 82593691 in words is "eighty-two million, five hundred ninety-three thousand, six hundred ninety-one".