6687983625 has 64 divisors (see below), whose sum is σ = 11542003200. Its totient is φ = 3435129600.

The previous prime is 6687983593. The next prime is 6687983639. The reversal of 6687983625 is 5263897866.

It is a happy number.

It is not a de Polignac number, because 6687983625 - 2⁵ = 6687983593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7970956 + ... + 7971794.

It is an arithmetic number, because the mean of its divisors is an integer number (180343800).

Almost surely, 2^6687983625 is an apocalyptic number.

It is an amenable number.

6687983625 is a deficient number, since it is larger than the sum of its proper divisors (4854019575).

6687983625 is a wasteful number, since it uses less digits than its factorization.

6687983625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1609 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The square root of 6687983625 is about 81780.0930850534. The cubic root of 6687983625 is about 1884.0759260402.

The spelling of 6687983625 in words is "six billion, six hundred eighty-seven million, nine hundred eighty-three thousand, six hundred twenty-five".