68820604288 has 16 divisors (see below), whose sum is σ = 137103547860. Its totient is φ = 34410302080.

The previous prime is 68820604271. The next prime is 68820604343. The reversal of 68820604288 is 88240602886.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268830358 + ... + 268830613.

Almost surely, 2^68820604288 is an apocalyptic number.

It is an amenable number.

68820604288 is a deficient number, since it is larger than the sum of its proper divisors (68282943572).

68820604288 is an equidigital number, since it uses as much as digits as its factorization.

68820604288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537660985 (or 537660973 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 68820604288 in words is "sixty-eight billion, eight hundred twenty million, six hundred four thousand, two hundred eighty-eight".