6628469377 has 12 divisors (see below), whose sum is σ = 6831941760. Its totient is φ = 6430880016.

The previous prime is 6628469359. The next prime is 6628469381. The reversal of 6628469377 is 7739648266.

It is a de Polignac number, because none of the positive numbers 2^k-6628469377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6628469317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484728 + ... + 498214.

It is an arithmetic number, because the mean of its divisors is an integer number (569328480).

Almost surely, 2^6628469377 is an apocalyptic number.

It is an amenable number.

6628469377 is a deficient number, since it is larger than the sum of its proper divisors (203472383).

6628469377 is a wasteful number, since it uses less digits than its factorization.

6628469377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13920 (or 13883 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 58.

The square root of 6628469377 is about 81415.4124045319. The cubic root of 6628469377 is about 1878.4706682352.

The spelling of 6628469377 in words is "six billion, six hundred twenty-eight million, four hundred sixty-nine thousand, three hundred seventy-seven".