6477429660 has 48 divisors (see below), whose sum is σ = 19531944096. Its totient is φ = 1594444032.

The previous prime is 6477429601. The next prime is 6477429683. The reversal of 6477429660 is 669247746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4151419 + ... + 4152978.

It is an arithmetic number, because the mean of its divisors is an integer number (406915502).

Almost surely, 2^6477429660 is an apocalyptic number.

6477429660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6477429660 is an abundant number, since it is smaller than the sum of its proper divisors (13054514436).

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

6477429660 is a wasteful number, since it uses less digits than its factorization.

6477429660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304422 (or 8304420 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 6477429660 is about 80482.4804538230. The cubic root of 6477429660 is about 1864.0929696149.

The spelling of 6477429660 in words is "six billion, four hundred seventy-seven million, four hundred twenty-nine thousand, six hundred sixty".