68756377020 has 48 divisors (see below), whose sum is σ = 197721047328. Its totient is φ = 17839491840.

The previous prime is 68756377009. The next prime is 68756377043. The reversal of 68756377020 is 2077365786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15483451 + ... + 15487890.

It is an arithmetic number, because the mean of its divisors is an integer number (4119188486).

Almost surely, 2^68756377020 is an apocalyptic number.

68756377020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68756377020 is an abundant number, since it is smaller than the sum of its proper divisors (128964670308).

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

68756377020 is a wasteful number, since it uses less digits than its factorization.

68756377020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971390 (or 30971388 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 68756377020 in words is "sixty-eight billion, seven hundred fifty-six million, three hundred seventy-seven thousand, twenty".