68402587680708 has 96 divisors (see below), whose sum is σ = 162153001156608. Its totient is φ = 22440023424000.

The previous prime is 68402587680689. The next prime is 68402587680719. The reversal of 68402587680708 is 80708678520486.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530389633 + ... + 530518583.

It is an arithmetic number, because the mean of its divisors is an integer number (1689093762048).

Almost surely, 2^{68402587680708} is an apocalyptic number.

It is an amenable number.

68402587680708 is an abundant number, since it is smaller than the sum of its proper divisors (93750413475900).

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

68402587680708 is a wasteful number, since it uses less digits than its factorization.

68402587680708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131873 (or 131871 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 69.

The spelling of 68402587680708 in words is "sixty-eight trillion, four hundred two billion, five hundred eighty-seven million, six hundred eighty thousand, seven hundred eight".