80740006668 has 72 divisors (see below), whose sum is σ = 206779023360. Its totient is φ = 26561334240.

The previous prime is 80740006663. The next prime is 80740006673. The reversal of 80740006668 is 86660004708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80740006663) and next prime (80740006673).

It is not an unprimeable number, because it can be changed into a prime (80740006663) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 827023 + ... + 919481.

It is an arithmetic number, because the mean of its divisors is an integer number (2871930880).

Almost surely, 2^80740006668 is an apocalyptic number.

It is an amenable number.

80740006668 is an abundant number, since it is smaller than the sum of its proper divisors (126039016692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80740006668 is a wasteful number, since it uses less digits than its factorization.

80740006668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92787 (or 92782 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 80740006668 in words is "eighty billion, seven hundred forty million, six thousand, six hundred sixty-eight".