8021081378696 has 32 divisors (see below), whose sum is σ = 15448655389440. Its totient is φ = 3901477192128.

The previous prime is 8021081378683. The next prime is 8021081378729. The reversal of 8021081378696 is 6968731801208.

It is a happy number.

It is an unprimeable number.

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, 600440 + ... + 4050023.

It is an arithmetic number, because the mean of its divisors is an integer number (482770480920).

Almost surely, 2^{8021081378696} is an apocalyptic number.

It is an amenable number.

8021081378696 is a deficient number, since it is larger than the sum of its proper divisors (7427574010744).

8021081378696 is a wasteful number, since it uses less digits than its factorization.

8021081378696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656333 (or 4656329 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 8021081378696 in words is "eight trillion, twenty-one billion, eighty-one million, three hundred seventy-eight thousand, six hundred ninety-six".