6655376479 has 4 divisors (see below), whose sum is σ = 6730156080. Its totient is φ = 6580596880.

The previous prime is 6655376477. The next prime is 6655376501. The reversal of 6655376479 is 9746735566.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6655376479 - 2¹ = 6655376477 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655376477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37389667 + ... + 37389844.

It is an arithmetic number, because the mean of its divisors is an integer number (1682539020).

Almost surely, 2^6655376479 is an apocalyptic number.

6655376479 is a deficient number, since it is larger than the sum of its proper divisors (74779601).

6655376479 is an equidigital number, since it uses as much as digits as its factorization.

6655376479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74779600.

The product of its digits is 28576800, while the sum is 58.

The square root of 6655376479 is about 81580.4907989649. The cubic root of 6655376479 is about 1881.0090100989.

The spelling of 6655376479 in words is "six billion, six hundred fifty-five million, three hundred seventy-six thousand, four hundred seventy-nine".