6884666977 has 4 divisors (see below), whose sum is σ = 6893933760. Its totient is φ = 6875400196.

The previous prime is 6884666969. The next prime is 6884667029. The reversal of 6884666977 is 7796664886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6884666977 - 2³ = 6884666969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6884666917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4632277 + ... + 4633762.

It is an arithmetic number, because the mean of its divisors is an integer number (1723483440).

Almost surely, 2^6884666977 is an apocalyptic number.

It is an amenable number.

6884666977 is a deficient number, since it is larger than the sum of its proper divisors (9266783).

6884666977 is an equidigital number, since it uses as much as digits as its factorization.

6884666977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266782.

The product of its digits is 146313216, while the sum is 67.

The square root of 6884666977 is about 82973.8933460399. The cubic root of 6884666977 is about 1902.3670385384.

The spelling of 6884666977 in words is "six billion, eight hundred eighty-four million, six hundred sixty-six thousand, nine hundred seventy-seven".