6613232977 has 4 divisors (see below), whose sum is σ = 7121943220. Its totient is φ = 6104522736.

The previous prime is 6613232953. The next prime is 6613232981. The reversal of 6613232977 is 7792323166.

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

It can be written as a sum of positive squares in 2 ways, for example, as 257795136 + 6355437841 = 16056^2 + 79721^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6613232977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6613232947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254355102 + ... + 254355127.

It is an arithmetic number, because the mean of its divisors is an integer number (1780485805).

Almost surely, 2^6613232977 is an apocalyptic number.

It is an amenable number.

6613232977 is a deficient number, since it is larger than the sum of its proper divisors (508710243).

6613232977 is a wasteful number, since it uses less digits than its factorization.

6613232977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508710242.

The product of its digits is 571536, while the sum is 46.

The square root of 6613232977 is about 81321.7866072801. The cubic root of 6613232977 is about 1877.0302608698.

The spelling of 6613232977 in words is "six billion, six hundred thirteen million, two hundred thirty-two thousand, nine hundred seventy-seven".