80340845129699 has 16 divisors (see below), whose sum is σ = 100201098425856. Its totient is φ = 62580825374400.

The previous prime is 80340845129689. The next prime is 80340845129707. The reversal of 80340845129699 is 99692154804308.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80340845129699 - 2³² = 80336550162403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80340845129659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186705122 + ... + 187134935.

It is an arithmetic number, because the mean of its divisors is an integer number (6262568651616).

Almost surely, 2^{80340845129699} is an apocalyptic number.

80340845129699 is a deficient number, since it is larger than the sum of its proper divisors (19860253296157).

80340845129699 is a wasteful number, since it uses less digits than its factorization.

80340845129699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373842866.

The product of its (nonzero) digits is 134369280, while the sum is 68.

The spelling of 80340845129699 in words is "eighty trillion, three hundred forty billion, eight hundred forty-five million, one hundred twenty-nine thousand, six hundred ninety-nine".