82196782 has 4 divisors (see below), whose sum is σ = 123295176. Its totient is φ = 41098390.

The previous prime is 82196773. The next prime is 82196783. The reversal of 82196782 is 28769128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82196783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20549194 + ... + 20549197.

It is an arithmetic number, because the mean of its divisors is an integer number (30823794).

Almost surely, 2^82196782 is an apocalyptic number.

82196782 is a deficient number, since it is larger than the sum of its proper divisors (41098394).

82196782 is a wasteful number, since it uses less digits than its factorization.

82196782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41098393.

The product of its digits is 96768, while the sum is 43.

The square root of 82196782 is about 9066.2440955447. The cubic root of 82196782 is about 434.7953976809.

The spelling of 82196782 in words is "eighty-two million, one hundred ninety-six thousand, seven hundred eighty-two".