68005415884 has 24 divisors (see below), whose sum is σ = 136019429280. Its totient is φ = 29143335936.

The previous prime is 68005415833. The next prime is 68005415893. The reversal of 68005415884 is 48851450086.

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, 433644 + ... + 569260.

It is an arithmetic number, because the mean of its divisors is an integer number (5667476220).

Almost surely, 2^68005415884 is an apocalyptic number.

It is an amenable number.

68005415884 is an abundant number, since it is smaller than the sum of its proper divisors (68014013396).

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

68005415884 is a wasteful number, since it uses less digits than its factorization.

68005415884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153537 (or 153535 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 68005415884 in words is "sixty-eight billion, five million, four hundred fifteen thousand, eight hundred eighty-four".