6677451988 has 12 divisors (see below), whose sum is σ = 11693560480. Its totient is φ = 3336434712.

The previous prime is 6677451953. The next prime is 6677452051. The reversal of 6677451988 is 8891547766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566256 + ... + 577927.

Almost surely, 2^6677451988 is an apocalyptic number.

It is an amenable number.

6677451988 is a deficient number, since it is larger than the sum of its proper divisors (5016108492).

6677451988 is a wasteful number, since it uses less digits than its factorization.

6677451988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145646 (or 1145644 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 61.

The square root of 6677451988 is about 81715.6777368945. The cubic root of 6677451988 is about 1883.0864485278.

The spelling of 6677451988 in words is "six billion, six hundred seventy-seven million, four hundred fifty-one thousand, nine hundred eighty-eight".