82437673394 has 4 divisors (see below), whose sum is σ = 123656510094. Its totient is φ = 41218836696.

The previous prime is 82437673369. The next prime is 82437673411. The reversal of 82437673394 is 49337673428.

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., 55660605625 + 26777067769 = 235925^2 + 163637^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20609418347 + ... + 20609418350.

Almost surely, 2^82437673394 is an apocalyptic number.

82437673394 is a deficient number, since it is larger than the sum of its proper divisors (41218836700).

82437673394 is a wasteful number, since it uses less digits than its factorization.

82437673394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41218836699.

The product of its digits is 18289152, while the sum is 56.

The spelling of 82437673394 in words is "eighty-two billion, four hundred thirty-seven million, six hundred seventy-three thousand, three hundred ninety-four".