6477117650 has 12 divisors (see below), whose sum is σ = 12047438922. Its totient is φ = 2590847040.

The previous prime is 6477117641. The next prime is 6477117671. The reversal of 6477117650 is 567117746.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5039722081 + 1437395569 = 70991^2 + 37913^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64771127 + ... + 64771226.

Almost surely, 2^6477117650 is an apocalyptic number.

6477117650 is a deficient number, since it is larger than the sum of its proper divisors (5570321272).

6477117650 is a wasteful number, since it uses less digits than its factorization.

6477117650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129542365 (or 129542360 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 6477117650 is about 80480.5420583137. The cubic root of 6477117650 is about 1864.0630387619.

The spelling of 6477117650 in words is "six billion, four hundred seventy-seven million, one hundred seventeen thousand, six hundred fifty".