68523572776 has 16 divisors (see below), whose sum is σ = 129925314900. Its totient is φ = 33876822144.

The previous prime is 68523572743. The next prime is 68523572797. The reversal of 68523572776 is 67727532586.

It can be written as a sum of positive squares in 2 ways, for example, as 67501236100 + 1022336676 = 259810^2 + 31974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68523572776.

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, 48119775 + ... + 48121198.

Almost surely, 2^68523572776 is an apocalyptic number.

It is an amenable number.

68523572776 is a deficient number, since it is larger than the sum of its proper divisors (61401742124).

68523572776 is a wasteful number, since it uses less digits than its factorization.

68523572776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96241068 (or 96241064 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 68523572776 in words is "sixty-eight billion, five hundred twenty-three million, five hundred seventy-two thousand, seven hundred seventy-six".