68855384727360 has 2688 divisors, whose sum is σ = 305467246116864. Its totient is φ = 13825344798720.

The previous prime is 68855384727317. The next prime is 68855384727391. The reversal of 68855384727360 is 6372748355886.

68855384727360 is a `hidden beast` number, since 6 + 8 + 8 + 5 + 538 + 4 + 7 + 27 + 3 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 219985254564 + ... + 219985254876.

Almost surely, 2^{68855384727360} is an apocalyptic number.

68855384727360 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 68855384727360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152733623058432).

68855384727360 is an abundant number, since it is smaller than the sum of its proper divisors (236611861389504).

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

68855384727360 is a wasteful number, since it uses less digits than its factorization.

68855384727360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 72.

The spelling of 68855384727360 in words is "sixty-eight trillion, eight hundred fifty-five billion, three hundred eighty-four million, seven hundred twenty-seven thousand, three hundred sixty".