64228825764936 has 192 divisors, whose sum is σ = 209482398028800. Its totient is φ = 17367339081600.

The previous prime is 64228825764863. The next prime is 64228825764997. The reversal of 64228825764936 is 63946752882246.

64228825764936 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 8 + 8 + 2 + 576 + 49 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5844501 + ... + 12752091.

It is an arithmetic number, because the mean of its divisors is an integer number (1091054156400).

Almost surely, 2^{64228825764936} 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 64228825764936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104741199014400).

64228825764936 is an abundant number, since it is smaller than the sum of its proper divisors (145253572263864).

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

64228825764936 is a wasteful number, since it uses less digits than its factorization.

64228825764936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908600 (or 6908593 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 72.

The spelling of 64228825764936 in words is "sixty-four trillion, two hundred twenty-eight billion, eight hundred twenty-five million, seven hundred sixty-four thousand, nine hundred thirty-six".