6667733677 has 16 divisors (see below), whose sum is σ = 7346761920. Its totient is φ = 6051035760.

The previous prime is 6667733651. The next prime is 6667733713. The reversal of 6667733677 is 7763377666.

It is a de Polignac number, because none of the positive numbers 2^k-6667733677 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 (6667733077) 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, 819843 + ... + 827935.

It is an arithmetic number, because the mean of its divisors is an integer number (459172620).

Almost surely, 2^6667733677 is an apocalyptic number.

It is an amenable number.

6667733677 is a deficient number, since it is larger than the sum of its proper divisors (679028243).

6667733677 is an equidigital number, since it uses as much as digits as its factorization.

6667733677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745 (or 8723 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 58.

The square root of 6667733677 is about 81656.1919085136. The cubic root of 6667733677 is about 1882.1724619223.

The spelling of 6667733677 in words is "six billion, six hundred sixty-seven million, seven hundred thirty-three thousand, six hundred seventy-seven".