82448738623 has 4 divisors (see below), whose sum is σ = 82457451648. Its totient is φ = 82440025600.

The previous prime is 82448738609. The next prime is 82448738653. The reversal of 82448738623 is 32683784428.

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 82448738623 - 2²¹ = 82446641471 is a prime.

It is a super-2 number, since 2×82448738623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82448738653) 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, 4342303 + ... + 4361248.

It is an arithmetic number, because the mean of its divisors is an integer number (20614362912).

Almost surely, 2^82448738623 is an apocalyptic number.

82448738623 is a deficient number, since it is larger than the sum of its proper divisors (8713025).

82448738623 is an equidigital number, since it uses as much as digits as its factorization.

82448738623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713024.

The product of its digits is 12386304, while the sum is 55.

The spelling of 82448738623 in words is "eighty-two billion, four hundred forty-eight million, seven hundred thirty-eight thousand, six hundred twenty-three".