6472047677 has 4 divisors (see below), whose sum is σ = 6538769916. Its totient is φ = 6405325440.

The previous prime is 6472047643. The next prime is 6472047683. The reversal of 6472047677 is 7767402746.

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 3738221881 + 2733825796 = 61141^2 + 52286^2 .

It is a cyclic number.

It is not a de Polignac number, because 6472047677 - 2¹⁰ = 6472046653 is a prime.

It is a super-2 number, since 2×6472047677² = 83774802266722192658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472047607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33360974 + ... + 33361167.

It is an arithmetic number, because the mean of its divisors is an integer number (1634692479).

Almost surely, 2^6472047677 is an apocalyptic number.

It is an amenable number.

6472047677 is a deficient number, since it is larger than the sum of its proper divisors (66722239).

6472047677 is an equidigital number, since it uses as much as digits as its factorization.

6472047677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66722238.

The product of its (nonzero) digits is 2765952, while the sum is 50.

The square root of 6472047677 is about 80449.0377630460. The cubic root of 6472047677 is about 1863.5765458122.

The spelling of 6472047677 in words is "six billion, four hundred seventy-two million, forty-seven thousand, six hundred seventy-seven".