80140748068 has 24 divisors (see below), whose sum is σ = 145088149752. Its totient is φ = 38702801664.

The previous prime is 80140748057. The next prime is 80140748131. The reversal of 80140748068 is 86084704108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38859448384 + 41281299684 = 197128^2 + 203178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955971 + ... + 1996522.

It is an arithmetic number, because the mean of its divisors is an integer number (6045339573).

Almost surely, 2^80140748068 is an apocalyptic number.

It is an amenable number.

80140748068 is a deficient number, since it is larger than the sum of its proper divisors (64947401684).

80140748068 is a wasteful number, since it uses less digits than its factorization.

80140748068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952671 (or 3952669 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 80140748068 in words is "eighty billion, one hundred forty million, seven hundred forty-eight thousand, sixty-eight".