68337783104 has 28 divisors (see below), whose sum is σ = 137631793824. Its totient is φ = 33658905984.

The previous prime is 68337782993. The next prime is 68337783109. The reversal of 68337783104 is 40138773386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68337783109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964204 + ... + 7972779.

It is an arithmetic number, because the mean of its divisors is an integer number (4915421208).

Almost surely, 2^68337783104 is an apocalyptic number.

68337783104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68337783104 is an abundant number, since it is smaller than the sum of its proper divisors (69294010720).

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

68337783104 is a wasteful number, since it uses less digits than its factorization.

68337783104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937062 (or 15937052 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 68337783104 in words is "sixty-eight billion, three hundred thirty-seven million, seven hundred eighty-three thousand, one hundred four".