68480085970 has 16 divisors (see below), whose sum is σ = 123267274200. Its totient is φ = 27391341184.

The previous prime is 68480085881. The next prime is 68480086009. The reversal of 68480085970 is 7958008486.

It is a Cunningham number, because it is equal to 261687²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 53067111769 + 15412974201 = 230363^2 + 124149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553356 + ... + 665704.

Almost surely, 2^68480085970 is an apocalyptic number.

68480085970 is a deficient number, since it is larger than the sum of its proper divisors (54787188230).

68480085970 is a wasteful number, since it uses less digits than its factorization.

68480085970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173309.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 68480085970 in words is "sixty-eight billion, four hundred eighty million, eighty-five thousand, nine hundred seventy".