82113364474 has 4 divisors (see below), whose sum is σ = 123170046714. Its totient is φ = 41056682236.

The previous prime is 82113364433. The next prime is 82113364481. The reversal of 82113364474 is 47446331128.

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

It can be written as a sum of positive squares in only one way, i.e., 78648276249 + 3465088225 = 280443^2 + 58865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82113364474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20528341117 + ... + 20528341120.

Almost surely, 2^82113364474 is an apocalyptic number.

82113364474 is a deficient number, since it is larger than the sum of its proper divisors (41056682240).

82113364474 is a wasteful number, since it uses less digits than its factorization.

82113364474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41056682239.

The product of its digits is 387072, while the sum is 43.

The spelling of 82113364474 in words is "eighty-two billion, one hundred thirteen million, three hundred sixty-four thousand, four hundred seventy-four".