82648943 has 8 divisors (see below), whose sum is σ = 89535600. Its totient is φ = 76289304.

The previous prime is 82648901. The next prime is 82648997. The reversal of 82648943 is 34984628.

It is not a de Polignac number, because 82648943 - 2¹⁰ = 82647919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82648894 and 82648903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82644943) 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, 16613 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (11191950).

Almost surely, 2^82648943 is an apocalyptic number.

82648943 is a deficient number, since it is larger than the sum of its proper divisors (6886657).

82648943 is an equidigital number, since it uses as much as digits as its factorization.

82648943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37658 (or 37632 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 82648943 is about 9091.1464073570. The cubic root of 82648943 is about 435.5912038880.

The spelling of 82648943 in words is "eighty-two million, six hundred forty-eight thousand, nine hundred forty-three".