6478258660 has 24 divisors (see below), whose sum is σ = 14195837376. Its totient is φ = 2478637920.

The previous prime is 6478258613. The next prime is 6478258673. The reversal of 6478258660 is 668528746.

It is a junction number, because it is equal to n+sod(n) for n = 6478258598 and 6478258607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7041126 + ... + 7042045.

It is an arithmetic number, because the mean of its divisors is an integer number (591493224).

Almost surely, 2^6478258660 is an apocalyptic number.

It is an amenable number.

6478258660 is an abundant number, since it is smaller than the sum of its proper divisors (7717578716).

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

6478258660 is a wasteful number, since it uses less digits than its factorization.

6478258660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083203 (or 14083201 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 6478258660 is about 80487.6304782294. The cubic root of 6478258660 is about 1864.1724902083.

The spelling of 6478258660 in words is "six billion, four hundred seventy-eight million, two hundred fifty-eight thousand, six hundred sixty".