64047888 has 80 divisors (see below), whose sum is σ = 188856960. Its totient is φ = 20767104.

The previous prime is 64047881. The next prime is 64047923. The reversal of 64047888 is 88874046.

It is not an unprimeable number, because it can be changed into a prime (64047881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13981 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (2360712).

Almost surely, 2^64047888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64047888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94428480).

64047888 is an abundant number, since it is smaller than the sum of its proper divisors (124809072).

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

64047888 is a wasteful number, since it uses less digits than its factorization.

64047888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 64047888 is about 8002.9924403313. The cubic root of 64047888 is about 400.0997417935.

The spelling of 64047888 in words is "sixty-four million, forty-seven thousand, eight hundred eighty-eight".