687047555732 has 12 divisors (see below), whose sum is σ = 1202340259680. Its totient is φ = 343521767256.

The previous prime is 687047555723. The next prime is 687047555741. The reversal of 687047555732 is 237555740786.

It is an interprime number because it is at equal distance from previous prime (687047555723) and next prime (687047555741).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479369 + ... + 1266447.

It is an arithmetic number, because the mean of its divisors is an integer number (100195021640).

Almost surely, 2^687047555732 is an apocalyptic number.

It is an amenable number.

687047555732 is a deficient number, since it is larger than the sum of its proper divisors (515292703948).

687047555732 is a wasteful number, since it uses less digits than its factorization.

687047555732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005310 (or 1005308 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 59.

The spelling of 687047555732 in words is "six hundred eighty-seven billion, forty-seven million, five hundred fifty-five thousand, seven hundred thirty-two".