64881484 has 6 divisors (see below), whose sum is σ = 113542604. Its totient is φ = 32440740.

The previous prime is 64881473. The next prime is 64881493. The reversal of 64881484 is 48418846.

64881484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64881484.

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 as a sum of consecutive naturals, namely, 8110182 + ... + 8110189.

Almost surely, 2^64881484 is an apocalyptic number.

It is an amenable number.

64881484 is a deficient number, since it is larger than the sum of its proper divisors (48661120).

64881484 is a wasteful number, since it uses less digits than its factorization.

64881484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16220375 (or 16220373 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 64881484 is about 8054.9043445593. The cubic root of 64881484 is about 401.8280577848.

The spelling of 64881484 in words is "sixty-four million, eight hundred eighty-one thousand, four hundred eighty-four".