80785384635 has 32 divisors (see below), whose sum is σ = 132901715520. Its totient is φ = 41878323200.

The previous prime is 80785384579. The next prime is 80785384643. The reversal of 80785384635 is 53648358708.

It is not a de Polignac number, because 80785384635 - 2²⁷ = 80651166907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78726 + ... + 409595.

It is an arithmetic number, because the mean of its divisors is an integer number (4153178610).

Almost surely, 2^80785384635 is an apocalyptic number.

80785384635 is a deficient number, since it is larger than the sum of its proper divisors (52116330885).

80785384635 is a wasteful number, since it uses less digits than its factorization.

80785384635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488639.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 80785384635 in words is "eighty billion, seven hundred eighty-five million, three hundred eighty-four thousand, six hundred thirty-five".