68462957568 has 88 divisors (see below), whose sum is σ = 185049455040. Its totient is φ = 22499491840.

The previous prime is 68462957543. The next prime is 68462957573. The reversal of 68462957568 is 86575926486.

It is a junction number, because it is equal to n+sod(n) for n = 68462957499 and 68462957508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61168 + ... + 375056.

Almost surely, 2^68462957568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68462957568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92524727520).

68462957568 is an abundant number, since it is smaller than the sum of its proper divisors (116586497472).

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

68462957568 is a wasteful number, since it uses less digits than its factorization.

68462957568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313983 (or 313965 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 66.

The spelling of 68462957568 in words is "sixty-eight billion, four hundred sixty-two million, nine hundred fifty-seven thousand, five hundred sixty-eight".