68215761763380 has 384 divisors, whose sum is σ = 273129780510720. Its totient is φ = 13717454976000.

The previous prime is 68215761763343. The next prime is 68215761763399. The reversal of 68215761763380 is 8336716751286.

It is a happy number.

68215761763380 is a `hidden beast` number, since 6 + 8 + 2 + 1 + 5 + 7 + 617 + 6 + 3 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25172161 + ... + 27750120.

It is an arithmetic number, because the mean of its divisors is an integer number (711275470080).

Almost surely, 2^{68215761763380} is an apocalyptic number.

68215761763380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68215761763380 is an abundant number, since it is smaller than the sum of its proper divisors (204914018747340).

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

68215761763380 is a wasteful number, since it uses less digits than its factorization.

68215761763380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52922348 (or 52922340 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 68215761763380 in words is "sixty-eight trillion, two hundred fifteen billion, seven hundred sixty-one million, seven hundred sixty-three thousand, three hundred eighty".