80354825784 has 24 divisors (see below), whose sum is σ = 217627653360. Its totient is φ = 26784941904.

The previous prime is 80354825777. The next prime is 80354825861. The reversal of 80354825784 is 48752845308.

80354825784 is a `hidden beast` number, since 8 + 0 + 3 + 548 + 25 + 78 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 80354825784.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 558019552 + ... + 558019695.

It is an arithmetic number, because the mean of its divisors is an integer number (9067818890).

Almost surely, 2^80354825784 is an apocalyptic number.

It is an amenable number.

80354825784 is an abundant number, since it is smaller than the sum of its proper divisors (137272827576).

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

80354825784 is a wasteful number, since it uses less digits than its factorization.

80354825784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116039259 (or 1116039252 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 80354825784 in words is "eighty billion, three hundred fifty-four million, eight hundred twenty-five thousand, seven hundred eighty-four".