64028513076 has 96 divisors (see below), whose sum is σ = 164385099648. Its totient is φ = 19236149760.

The previous prime is 64028513063. The next prime is 64028513077. The reversal of 64028513076 is 67031582046.

64028513076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64028513077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8514070 + ... + 8521586.

It is an arithmetic number, because the mean of its divisors is an integer number (1712344788).

Almost surely, 2^64028513076 is an apocalyptic number.

64028513076 is a gapful number since it is divisible by the number (66) 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 64028513076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82192549824).

64028513076 is an abundant number, since it is smaller than the sum of its proper divisors (100356586572).

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

64028513076 is a wasteful number, since it uses less digits than its factorization.

64028513076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081 (or 8079 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 64028513076 in words is "sixty-four billion, twenty-eight million, five hundred thirteen thousand, seventy-six".