687326066748 has 72 divisors (see below), whose sum is σ = 1740628344000. Its totient is φ = 228684387456.

The previous prime is 687326066741. The next prime is 687326066753. The reversal of 687326066748 is 847660623786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687326066741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45363478 + ... + 45378626.

Almost surely, 2^687326066748 is an apocalyptic number.

It is an amenable number.

687326066748 is an abundant number, since it is smaller than the sum of its proper divisors (1053302277252).

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

687326066748 is a wasteful number, since it uses less digits than its factorization.

687326066748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17411 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 687326066748 in words is "six hundred eighty-seven billion, three hundred twenty-six million, sixty-six thousand, seven hundred forty-eight".