80436076973 has 4 divisors (see below), whose sum is σ = 91926945120. Its totient is φ = 68945208828.

The previous prime is 80436076967. The next prime is 80436077009. The reversal of 80436076973 is 37967063408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80436076973 - 2⁶ = 80436076909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436076573) 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 3 ways as a sum of consecutive naturals, for example, 5745434063 + ... + 5745434076.

It is an arithmetic number, because the mean of its divisors is an integer number (22981736280).

Almost surely, 2^80436076973 is an apocalyptic number.

It is an amenable number.

80436076973 is a deficient number, since it is larger than the sum of its proper divisors (11490868147).

80436076973 is a wasteful number, since it uses less digits than its factorization.

80436076973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490868146.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 80436076973 in words is "eighty billion, four hundred thirty-six million, seventy-six thousand, nine hundred seventy-three".