6675487771679 has 16 divisors (see below), whose sum is σ = 6863194999584. Its totient is φ = 6488970700800.

The previous prime is 6675487771661. The next prime is 6675487771739. The reversal of 6675487771679 is 9761777845766.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6675487771679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6675487771609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135510017 + ... + 135559269.

It is an arithmetic number, because the mean of its divisors is an integer number (428949687474).

Almost surely, 2^{6675487771679} is an apocalyptic number.

6675487771679 is a deficient number, since it is larger than the sum of its proper divisors (187707227905).

6675487771679 is a wasteful number, since it uses less digits than its factorization.

6675487771679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61258.

The product of its digits is 5227649280, while the sum is 80.

The spelling of 6675487771679 in words is "six trillion, six hundred seventy-five billion, four hundred eighty-seven million, seven hundred seventy-one thousand, six hundred seventy-nine".