64783078304 has 96 divisors (see below), whose sum is σ = 155320623360. Its totient is φ = 25964310528.

The previous prime is 64783078273. The next prime is 64783078307. The reversal of 64783078304 is 40387038746.

It is not an unprimeable number, because it can be changed into a prime (64783078307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543677 + ... + 652035.

It is an arithmetic number, because the mean of its divisors is an integer number (1617923160).

Almost surely, 2^64783078304 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 64783078304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77660311680).

64783078304 is an abundant number, since it is smaller than the sum of its proper divisors (90537545056).

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

64783078304 is a wasteful number, since it uses less digits than its factorization.

64783078304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108550 (or 108542 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 64783078304 in words is "sixty-four billion, seven hundred eighty-three million, seventy-eight thousand, three hundred four".