82620662888888 has 32 divisors (see below), whose sum is σ = 164026751187600. Its totient is φ = 38880208799232.

The previous prime is 82620662888887. The next prime is 82620662888909. The reversal of 82620662888888 is 88888826602628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82620662888887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81256178 + ... + 82266686.

Almost surely, 2^{82620662888888} is an apocalyptic number.

It is an amenable number.

82620662888888 is a deficient number, since it is larger than the sum of its proper divisors (81406088298712).

82620662888888 is a wasteful number, since it uses less digits than its factorization.

82620662888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611719 (or 1611715 counting only the distinct ones).

The product of its (nonzero) digits is 3623878656, while the sum is 80.

The spelling of 82620662888888 in words is "eighty-two trillion, six hundred twenty billion, six hundred sixty-two million, eight hundred eighty-eight thousand, eight hundred eighty-eight".