82807409823 has 16 divisors (see below), whose sum is σ = 111392956416. Its totient is φ = 54714290400.

The previous prime is 82807409807. The next prime is 82807409833. The reversal of 82807409823 is 32890470828.

It is not a de Polignac number, because 82807409823 - 2⁴ = 82807409807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82807409833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263973 + ... + 485073.

It is an arithmetic number, because the mean of its divisors is an integer number (6962059776).

Almost surely, 2^82807409823 is an apocalyptic number.

82807409823 is a deficient number, since it is larger than the sum of its proper divisors (28585546593).

82807409823 is a wasteful number, since it uses less digits than its factorization.

82807409823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222214.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 82807409823 in words is "eighty-two billion, eight hundred seven million, four hundred nine thousand, eight hundred twenty-three".