80587904265 has 64 divisors (see below), whose sum is σ = 161333452800. Its totient is φ = 37812484800.

The previous prime is 80587904227. The next prime is 80587904311. The reversal of 80587904265 is 56240978508.

80587904265 is a `hidden beast` number, since 80 + 58 + 7 + 90 + 426 + 5 = 666.

It is not a de Polignac number, because 80587904265 - 2¹⁰ = 80587903241 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 829255 + ... + 921324.

It is an arithmetic number, because the mean of its divisors is an integer number (2520835200).

Almost surely, 2^80587904265 is an apocalyptic number.

It is an amenable number.

80587904265 is an abundant number, since it is smaller than the sum of its proper divisors (80745548535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80587904265 is a wasteful number, since it uses less digits than its factorization.

80587904265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750635 (or 1750629 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 80587904265 in words is "eighty billion, five hundred eighty-seven million, nine hundred four thousand, two hundred sixty-five".