82640572323 has 8 divisors (see below), whose sum is σ = 110225476368. Its totient is φ = 55074691584.

The previous prime is 82640572321. The next prime is 82640572331. The reversal of 82640572323 is 32327504628.

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

It is not a de Polignac number, because 82640572323 - 2¹ = 82640572321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82640572321) 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, 4745686 + ... + 4763067.

It is an arithmetic number, because the mean of its divisors is an integer number (13778184546).

Almost surely, 2^82640572323 is an apocalyptic number.

82640572323 is a deficient number, since it is larger than the sum of its proper divisors (27584904045).

82640572323 is a wasteful number, since it uses less digits than its factorization.

82640572323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511653.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 82640572323 in words is "eighty-two billion, six hundred forty million, five hundred seventy-two thousand, three hundred twenty-three".