68679783180 has 144 divisors (see below), whose sum is σ = 213990416640. Its totient is φ = 17820141696.

The previous prime is 68679783149. The next prime is 68679783181. The reversal of 68679783180 is 8138797686.

It is not an unprimeable number, because it can be changed into a prime (68679783181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2018751 + ... + 2052489.

It is an arithmetic number, because the mean of its divisors is an integer number (1486044560).

Almost surely, 2^68679783180 is an apocalyptic number.

68679783180 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 68679783180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106995208320).

68679783180 is an abundant number, since it is smaller than the sum of its proper divisors (145310633460).

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

68679783180 is a wasteful number, since it uses less digits than its factorization.

68679783180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34060 (or 34055 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 68679783180 in words is "sixty-eight billion, six hundred seventy-nine million, seven hundred eighty-three thousand, one hundred eighty".