68337782994 has 16 divisors (see below), whose sum is σ = 147189071232. Its totient is φ = 21027010128.

The previous prime is 68337782993. The next prime is 68337783109. The reversal of 68337782994 is 49928773386.

It is not an unprimeable number, because it can be changed into a prime (68337782993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438062634 + ... + 438062789.

It is an arithmetic number, because the mean of its divisors is an integer number (9199316952).

Almost surely, 2^68337782994 is an apocalyptic number.

68337782994 is an abundant number, since it is smaller than the sum of its proper divisors (78851288238).

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

68337782994 is a wasteful number, since it uses less digits than its factorization.

68337782994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876125441.

The product of its digits is 109734912, while the sum is 66.

The spelling of 68337782994 in words is "sixty-eight billion, three hundred thirty-seven million, seven hundred eighty-two thousand, nine hundred ninety-four".