23078078064 has 100 divisors (see below), whose sum is σ = 66831206904. Its totient is φ = 7688483712.

The previous prime is 23078078059. The next prime is 23078078141. The reversal of 23078078064 is 46087087032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3154699 + ... + 3162005.

Almost surely, 2^23078078064 is an apocalyptic number.

23078078064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23078078064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33415603452).

23078078064 is an abundant number, since it is smaller than the sum of its proper divisors (43753128840).

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

23078078064 is a wasteful number, since it uses less digits than its factorization.

23078078064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764 (or 9749 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 23078078064 in words is "twenty-three billion, seventy-eight million, seventy-eight thousand, sixty-four".