687252416 has 14 divisors (see below), whose sum is σ = 1363766640. Its totient is φ = 343626176.

The previous prime is 687252409. The next prime is 687252437. The reversal of 687252416 is 614252786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5369096 + ... + 5369223.

Almost surely, 2^687252416 is an apocalyptic number.

It is an amenable number.

687252416 is a deficient number, since it is larger than the sum of its proper divisors (676514224).

687252416 is a wasteful number, since it uses less digits than its factorization.

687252416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738331 (or 10738321 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 687252416 is about 26215.4995374874. The cubic root of 687252416 is about 882.4811247157.

The spelling of 687252416 in words is "six hundred eighty-seven million, two hundred fifty-two thousand, four hundred sixteen".