80854564 has 12 divisors (see below), whose sum is σ = 161709184. Its totient is φ = 34651944.

The previous prime is 80854559. The next prime is 80854589. The reversal of 80854564 is 46545808.

80854564 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443804 + ... + 1443859.

Almost surely, 2^80854564 is an apocalyptic number.

It is an amenable number.

80854564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80854564 is a wasteful number, since it uses less digits than its factorization.

80854564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887674 (or 2887672 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 80854564 is about 8991.9165921399. The cubic root of 80854564 is about 432.4157591506.

It can be divided in two parts, 80854 and 564, that added together give a palindrome (81418).

The spelling of 80854564 in words is "eighty million, eight hundred fifty-four thousand, five hundred sixty-four".