687960006 has 8 divisors (see below), whose sum is σ = 1375920024. Its totient is φ = 229320000.

The previous prime is 687959989. The next prime is 687960023. The reversal of 687960006 is 600069786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (687959989) and next prime (687960023).

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

687960006 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 687960006.

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, 57329995 + ... + 57330006.

It is an arithmetic number, because the mean of its divisors is an integer number (171990003).

Almost surely, 2^687960006 is an apocalyptic number.

687960006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

687960006 is a wasteful number, since it uses less digits than its factorization.

687960006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114660006.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 687960006 is about 26228.9917076505. The cubic root of 687960006 is about 882.7838861769.

The spelling of 687960006 in words is "six hundred eighty-seven million, nine hundred sixty thousand, six".