6687135950 has 48 divisors (see below), whose sum is σ = 13700658816. Its totient is φ = 2408056800.

The previous prime is 6687135947. The next prime is 6687135977. The reversal of 6687135950 is 595317866.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 23 ways as a sum of consecutive naturals, for example, 2372 + ... + 115671.

It is an arithmetic number, because the mean of its divisors is an integer number (285430392).

Almost surely, 2^6687135950 is an apocalyptic number.

6687135950 is an abundant number, since it is smaller than the sum of its proper divisors (7013522866).

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

6687135950 is a wasteful number, since it uses less digits than its factorization.

6687135950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118169 (or 118164 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 6687135950 is about 81774.9102720388. The cubic root of 6687135950 is about 1883.9963229974.

The spelling of 6687135950 in words is "six billion, six hundred eighty-seven million, one hundred thirty-five thousand, nine hundred fifty".