68780275200 has 1320 divisors, whose sum is σ = 314598541488. Its totient is φ = 14511882240.

The previous prime is 68780275199. The next prime is 68780275211. The reversal of 68780275200 is 257208786.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 131 ways as a sum of consecutive naturals, for example, 5290790394 + ... + 5290790406.

Almost surely, 2^68780275200 is an apocalyptic number.

68780275200 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 68780275200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157299270744).

68780275200 is an abundant number, since it is smaller than the sum of its proper divisors (245818266288).

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

68780275200 is an frugal number, since it uses more digits than its factorization.

68780275200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 68780275200 in words is "sixty-eight billion, seven hundred eighty million, two hundred seventy-five thousand, two hundred".