6675945787 has 8 divisors (see below), whose sum is σ = 7633753856. Its totient is φ = 5719163112.

The previous prime is 6675945761. The next prime is 6675945791. The reversal of 6675945787 is 7875495766.

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

It is a cyclic number.

It is not a de Polignac number, because 6675945787 - 2²⁷ = 6541728059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6675940787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242343 + ... + 268480.

It is an arithmetic number, because the mean of its divisors is an integer number (954219232).

Almost surely, 2^6675945787 is an apocalyptic number.

6675945787 is a deficient number, since it is larger than the sum of its proper divisors (957808069).

6675945787 is a wasteful number, since it uses less digits than its factorization.

6675945787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512697.

The product of its digits is 88905600, while the sum is 64.

The square root of 6675945787 is about 81706.4611092660. The cubic root of 6675945787 is about 1882.9448516043.

The spelling of 6675945787 in words is "six billion, six hundred seventy-five million, nine hundred forty-five thousand, seven hundred eighty-seven".