687086334 has 32 divisors (see below), whose sum is σ = 1665665280. Its totient is φ = 208207800.

The previous prime is 687086321. The next prime is 687086347. The reversal of 687086334 is 433680786.

687086334 is a `hidden beast` number, since 6 + 8 + 7 + 0 + 8 + 633 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (687086321) and next prime (687086347).

It is a self number, because there is not a number n which added to its sum of digits gives 687086334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577762 + ... + 578949.

It is an arithmetic number, because the mean of its divisors is an integer number (52052040).

Almost surely, 2^687086334 is an apocalyptic number.

687086334 is an abundant number, since it is smaller than the sum of its proper divisors (978578946).

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

687086334 is a wasteful number, since it uses less digits than its factorization.

687086334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156733 (or 1156727 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 687086334 is about 26212.3317161980. The cubic root of 687086334 is about 882.4100319436.

The spelling of 687086334 in words is "six hundred eighty-seven million, eighty-six thousand, three hundred thirty-four".