6477543552 has 32 divisors (see below), whose sum is σ = 17205976080. Its totient is φ = 2159181056.

The previous prime is 6477543551. The next prime is 6477543571. The reversal of 6477543552 is 2553457746.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6477543551) 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, 8433918 + ... + 8434685.

Almost surely, 2^6477543552 is an apocalyptic number.

It is an amenable number.

6477543552 is an abundant number, since it is smaller than the sum of its proper divisors (10728432528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6477543552 is a wasteful number, since it uses less digits than its factorization.

6477543552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868620 (or 16868608 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 48.

The square root of 6477543552 is about 80483.1880084282. The cubic root of 6477543552 is about 1864.1038949379.

The spelling of 6477543552 in words is "six billion, four hundred seventy-seven million, five hundred forty-three thousand, five hundred fifty-two".