80913635784 has 48 divisors (see below), whose sum is σ = 219155561820. Its totient is φ = 26969431680.

The previous prime is 80913635779. The next prime is 80913635801. The reversal of 80913635784 is 48753631908.

80913635784 is a `hidden beast` number, since 8 + 0 + 9 + 1 + 3 + 63 + 578 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80757135684 + 156500100 = 284178^2 + 12510^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80913635784.

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 11 ways as a sum of consecutive naturals, for example, 1501434 + ... + 1554390.

Almost surely, 2^80913635784 is an apocalyptic number.

It is an amenable number.

80913635784 is an abundant number, since it is smaller than the sum of its proper divisors (138241926036).

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

80913635784 is a wasteful number, since it uses less digits than its factorization.

80913635784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74190 (or 74183 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 80913635784 in words is "eighty billion, nine hundred thirteen million, six hundred thirty-five thousand, seven hundred eighty-four".