68424683928 has 16 divisors (see below), whose sum is σ = 171061709880. Its totient is φ = 22808227968.

The previous prime is 68424683923. The next prime is 68424683947. The reversal of 68424683928 is 82938642486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68424683923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425514225 + ... + 1425514272.

Almost surely, 2^68424683928 is an apocalyptic number.

It is an amenable number.

68424683928 is an abundant number, since it is smaller than the sum of its proper divisors (102637025952).

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

68424683928 is a wasteful number, since it uses less digits than its factorization.

68424683928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851028506 (or 2851028502 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 60.

The spelling of 68424683928 in words is "sixty-eight billion, four hundred twenty-four million, six hundred eighty-three thousand, nine hundred twenty-eight".