64004587000 has 64 divisors (see below), whose sum is σ = 150667957440. Its totient is φ = 25448464000.

The previous prime is 64004586979. The next prime is 64004587027. The reversal of 64004587000 is 78540046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24631 + ... + 358630.

It is an arithmetic number, because the mean of its divisors is an integer number (2354186835).

Almost surely, 2^64004587000 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 64004587000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75333978720).

64004587000 is an abundant number, since it is smaller than the sum of its proper divisors (86663370440).

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

64004587000 is a wasteful number, since it uses less digits than its factorization.

64004587000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383449 (or 383435 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 64004587000 in words is "sixty-four billion, four million, five hundred eighty-seven thousand".