687548086748 has 12 divisors (see below), whose sum is σ = 1255522593360. Its totient is φ = 328827345792.

The previous prime is 687548086741. The next prime is 687548086769. The reversal of 687548086748 is 847680845786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687548086741) 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, 3736674293 + ... + 3736674476.

It is an arithmetic number, because the mean of its divisors is an integer number (104626882780).

Almost surely, 2^687548086748 is an apocalyptic number.

It is an amenable number.

687548086748 is a deficient number, since it is larger than the sum of its proper divisors (567974506612).

687548086748 is a wasteful number, since it uses less digits than its factorization.

687548086748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473348796 (or 7473348794 counting only the distinct ones).

The product of its (nonzero) digits is 578027520, while the sum is 71.

The spelling of 687548086748 in words is "six hundred eighty-seven billion, five hundred forty-eight million, eighty-six thousand, seven hundred forty-eight".