68637913750 has 240 divisors, whose sum is σ = 158825259648. Its totient is φ = 22135680000.

The previous prime is 68637913739. The next prime is 68637913753. The reversal of 68637913750 is 5731973686.

It is a super-2 number, since 2×68637913750² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68637913691 and 68637913700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68637913753) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 70253262 + ... + 70254238.

Almost surely, 2^68637913750 is an apocalyptic number.

68637913750 is an abundant number, since it is smaller than the sum of its proper divisors (90187345898).

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

68637913750 is a wasteful number, since it uses less digits than its factorization.

68637913750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 68637913750 in words is "sixty-eight billion, six hundred thirty-seven million, nine hundred thirteen thousand, seven hundred fifty".