6479577 has 12 divisors (see below), whose sum is σ = 10079524. Its totient is φ = 3987360.

The previous prime is 6479569. The next prime is 6479587. The reversal of 6479577 is 7759746.

6479577 is a `hidden beast` number, since 6 + 4 + 79 + 577 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3825936 + 2653641 = 1956^2 + 1629^2 .

It is not a de Polignac number, because 6479577 - 2³ = 6479569 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 4 + 7 + 9⁷ + 5³ + 7² + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479587) 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, 27574 + ... + 27807.

Almost surely, 2^6479577 is an apocalyptic number.

It is an amenable number.

6479577 is a deficient number, since it is larger than the sum of its proper divisors (3599947).

6479577 is a wasteful number, since it uses less digits than its factorization.

6479577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55400 (or 55397 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 6479577 is about 2545.5013258688. The cubic root of 6479577 is about 186.4298936043.

It can be divided in two parts, 6479 and 577, that added together give a square (7056 = 84²).

The spelling of 6479577 in words is "six million, four hundred seventy-nine thousand, five hundred seventy-seven".