6475547804478 has 32 divisors (see below), whose sum is σ = 13721200874784. Its totient is φ = 2030318318592.

The previous prime is 6475547804387. The next prime is 6475547804497. The reversal of 6475547804478 is 8744087455746.

It is a super-2 number, since 2×6475547804478² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18987825 + ... + 19325852.

It is an arithmetic number, because the mean of its divisors is an integer number (428787527337).

Almost surely, 2^{6475547804478} is an apocalyptic number.

6475547804478 is an abundant number, since it is smaller than the sum of its proper divisors (7245653070306).

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

6475547804478 is a wasteful number, since it uses less digits than its factorization.

6475547804478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38315356.

The product of its (nonzero) digits is 842956800, while the sum is 69.

The spelling of 6475547804478 in words is "six trillion, four hundred seventy-five billion, five hundred forty-seven million, eight hundred four thousand, four hundred seventy-eight".