80893073842 has 24 divisors (see below), whose sum is σ = 141168027420. Its totient is φ = 34664071680.

The previous prime is 80893073839. The next prime is 80893073843. The reversal of 80893073842 is 24837039808.

It can be written as a sum of positive squares in 2 ways, for example, as 78020221041 + 2872852801 = 279321^2 + 53599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80893073842.

It is not an unprimeable number, because it can be changed into a prime (80893073843) 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 11 ways as a sum of consecutive naturals, for example, 795742 + ... + 891622.

Almost surely, 2^80893073842 is an apocalyptic number.

80893073842 is a deficient number, since it is larger than the sum of its proper divisors (60274953578).

80893073842 is a wasteful number, since it uses less digits than its factorization.

80893073842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104506 (or 104499 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 80893073842 in words is "eighty billion, eight hundred ninety-three million, seventy-three thousand, eight hundred forty-two".