6699377 has 16 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 5983488.

The previous prime is 6699367. The next prime is 6699389. The reversal of 6699377 is 7739966.

It is a cyclic number.

It is not a de Polignac number, because 6699377 - 2⁴ = 6699361 is a prime.

It is a d-powerful number, because it can be written as 6² + 6⁸ + 9³ + 9³ + 3¹⁴ + 7⁶ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6699307) 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, 52688 + ... + 52814.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^6699377 is an apocalyptic number.

It is an amenable number.

6699377 is a deficient number, since it is larger than the sum of its proper divisors (765583).

6699377 is a wasteful number, since it uses less digits than its factorization.

6699377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 428652, while the sum is 47.

The square root of 6699377 is about 2588.3154753623. The cubic root of 6699377 is about 188.5145197276.

The spelling of 6699377 in words is "six million, six hundred ninety-nine thousand, three hundred seventy-seven".