80580639635 has 4 divisors (see below), whose sum is σ = 96696767568. Its totient is φ = 64464511704.

The previous prime is 80580639619. The next prime is 80580639647. The reversal of 80580639635 is 53693608508.

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 80580639635 - 2⁴ = 80580639619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8058063959 + ... + 8058063968.

It is an arithmetic number, because the mean of its divisors is an integer number (24174191892).

Almost surely, 2^80580639635 is an apocalyptic number.

80580639635 is a deficient number, since it is larger than the sum of its proper divisors (16116127933).

80580639635 is a wasteful number, since it uses less digits than its factorization.

80580639635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116127932.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 80580639635 in words is "eighty billion, five hundred eighty million, six hundred thirty-nine thousand, six hundred thirty-five".