68391379082 has 8 divisors (see below), whose sum is σ = 110478381636. Its totient is φ = 31565251872.

The previous prime is 68391379079. The next prime is 68391379153. The reversal of 68391379082 is 28097319386.

68391379082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59477942161 + 8913436921 = 243881^2 + 94411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315218803 + ... + 1315218854.

Almost surely, 2^68391379082 is an apocalyptic number.

68391379082 is a deficient number, since it is larger than the sum of its proper divisors (42087002554).

68391379082 is a wasteful number, since it uses less digits than its factorization.

68391379082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630437672.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 68391379082 in words is "sixty-eight billion, three hundred ninety-one million, three hundred seventy-nine thousand, eighty-two".