82065222994 has 16 divisors (see below), whose sum is σ = 126107324640. Its totient is φ = 40031671680.

The previous prime is 82065222991. The next prime is 82065223013. The reversal of 82065222994 is 49922256028.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82065222991) 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, 481567 + ... + 629314.

It is an arithmetic number, because the mean of its divisors is an integer number (7881707790).

Almost surely, 2^82065222994 is an apocalyptic number.

82065222994 is a deficient number, since it is larger than the sum of its proper divisors (44042101646).

82065222994 is a wasteful number, since it uses less digits than its factorization.

82065222994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111785.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 82065222994 in words is "eighty-two billion, sixty-five million, two hundred twenty-two thousand, nine hundred ninety-four".