82407623 has 4 divisors (see below), whose sum is σ = 83137008. Its totient is φ = 81678240.

The previous prime is 82407607. The next prime is 82407667. The reversal of 82407623 is 32670428.

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

It is a cyclic number.

It is not a de Polignac number, because 82407623 - 2⁴ = 82407607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82407623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82407323) 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, 364523 + ... + 364748.

It is an arithmetic number, because the mean of its divisors is an integer number (20784252).

Almost surely, 2^82407623 is an apocalyptic number.

82407623 is a deficient number, since it is larger than the sum of its proper divisors (729385).

82407623 is a wasteful number, since it uses less digits than its factorization.

82407623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729384.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 82407623 is about 9077.8644515106. The cubic root of 82407623 is about 435.1668413605.

The spelling of 82407623 in words is "eighty-two million, four hundred seven thousand, six hundred twenty-three".