68523572784 has 40 divisors (see below), whose sum is σ = 177050734000. Its totient is φ = 22837125888.

The previous prime is 68523572743. The next prime is 68523572797. The reversal of 68523572784 is 48727532586.

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, 151794 + ... + 400110.

It is an arithmetic number, because the mean of its divisors is an integer number (4426268350).

Almost surely, 2^68523572784 is an apocalyptic number.

It is an amenable number.

68523572784 is an abundant number, since it is smaller than the sum of its proper divisors (108527161216).

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

68523572784 is a wasteful number, since it uses less digits than its factorization.

68523572784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254077 (or 254071 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 57.

The spelling of 68523572784 in words is "sixty-eight billion, five hundred twenty-three million, five hundred seventy-two thousand, seven hundred eighty-four".