64898328600 has 768 divisors, whose sum is σ = 268232832000. Its totient is φ = 14108774400.

The previous prime is 64898328569. The next prime is 64898328611. The reversal of 64898328600 is 682389846.

64898328600 is a `hidden beast` number, since 6 + 4 + 8 + 9 + 8 + 3 + 28 + 600 = 666.

64898328600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 80022195 + ... + 80023005.

It is an arithmetic number, because the mean of its divisors is an integer number (349261500).

Almost surely, 2^64898328600 is an apocalyptic number.

64898328600 is a gapful number since it is divisible by the number (60) 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 64898328600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134116416000).

64898328600 is an abundant number, since it is smaller than the sum of its proper divisors (203334503400).

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

64898328600 is a wasteful number, since it uses less digits than its factorization.

64898328600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 64898328600 in words is "sixty-four billion, eight hundred ninety-eight million, three hundred twenty-eight thousand, six hundred".