68628870342 has 24 divisors (see below), whose sum is σ = 149274479016. Its totient is φ = 22787275776.

The previous prime is 68628870313. The next prime is 68628870353. The reversal of 68628870342 is 24307882686.

68628870342 is a `hidden beast` number, since 6 + 8 + 628 + 8 + 7 + 0 + 3 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7413108 + ... + 7422359.

It is an arithmetic number, because the mean of its divisors is an integer number (6219769959).

Almost surely, 2^68628870342 is an apocalyptic number.

68628870342 is an abundant number, since it is smaller than the sum of its proper divisors (80645608674).

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

68628870342 is a wasteful number, since it uses less digits than its factorization.

68628870342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835732 (or 14835729 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 68628870342 in words is "sixty-eight billion, six hundred twenty-eight million, eight hundred seventy thousand, three hundred forty-two".