64687350000 has 720 divisors, whose sum is σ = 262051415136. Its totient is φ = 13628160000.

The previous prime is 64687349959. The next prime is 64687350023. The reversal of 64687350000 is 5378646.

64687350000 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 (39).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 95549662 + ... + 95550338.

Almost surely, 2^64687350000 is an apocalyptic number.

64687350000 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 64687350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131025707568).

64687350000 is an abundant number, since it is smaller than the sum of its proper divisors (197364065136).

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

64687350000 is a wasteful number, since it uses less digits than its factorization.

64687350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 64687350000 in words is "sixty-four billion, six hundred eighty-seven million, three hundred fifty thousand".