6671220479 has 32 divisors (see below), whose sum is σ = 8413593600. Its totient is φ = 5138575200.

The previous prime is 6671220401. The next prime is 6671220503. The reversal of 6671220479 is 9740221766.

It is a de Polignac number, because none of the positive numbers 2^k-6671220479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671220379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2496314 + ... + 2498984.

It is an arithmetic number, because the mean of its divisors is an integer number (262924800).

Almost surely, 2^6671220479 is an apocalyptic number.

6671220479 is a deficient number, since it is larger than the sum of its proper divisors (1742373121).

6671220479 is a wasteful number, since it uses less digits than its factorization.

6671220479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6671220479 is about 81677.5396238158. The cubic root of 6671220479 is about 1882.5004903742.

The spelling of 6671220479 in words is "six billion, six hundred seventy-one million, two hundred twenty thousand, four hundred seventy-nine".