687534207334 has 8 divisors (see below), whose sum is σ = 1110632181120. Its totient is φ = 317323480296.

The previous prime is 687534207281. The next prime is 687534207391. The reversal of 687534207334 is 433702435786.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 13221811654 + ... + 13221811705.

It is an arithmetic number, because the mean of its divisors is an integer number (138829022640).

Almost surely, 2^687534207334 is an apocalyptic number.

687534207334 is a deficient number, since it is larger than the sum of its proper divisors (423097973786).

687534207334 is a wasteful number, since it uses less digits than its factorization.

687534207334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26443623374.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 687534207334 in words is "six hundred eighty-seven billion, five hundred thirty-four million, two hundred seven thousand, three hundred thirty-four".