80433585971 has 4 divisors (see below), whose sum is σ = 82144938912. Its totient is φ = 78722233032.

The previous prime is 80433585931. The next prime is 80433585977. The reversal of 80433585971 is 17958533408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80433585971 - 2⁶ = 80433585907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80433585977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855676400 + ... + 855676493.

It is an arithmetic number, because the mean of its divisors is an integer number (20536234728).

Almost surely, 2^80433585971 is an apocalyptic number.

80433585971 is a deficient number, since it is larger than the sum of its proper divisors (1711352941).

80433585971 is a wasteful number, since it uses less digits than its factorization.

80433585971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711352940.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 80433585971 in words is "eighty billion, four hundred thirty-three million, five hundred eighty-five thousand, nine hundred seventy-one".