4660991977 has 2 divisors, whose sum is σ = 4660991978. Its totient is φ = 4660991976.

The previous prime is 4660991963. The next prime is 4660992001. The reversal of 4660991977 is 7791990664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4573681641 + 87310336 = 67629^2 + 9344^2 .

It is a cyclic number.

It is not a de Polignac number, because 4660991977 - 2⁷ = 4660991849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4660991957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330495988 + 2330495989.

It is an arithmetic number, because the mean of its divisors is an integer number (2330495989).

Almost surely, 2^4660991977 is an apocalyptic number.

It is an amenable number.

4660991977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4660991977 is an equidigital number, since it uses as much as digits as its factorization.

4660991977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 4660991977 is about 68271.4579967354. The cubic root of 4660991977 is about 1670.4216819139.

The spelling of 4660991977 in words is "four billion, six hundred sixty million, nine hundred ninety-one thousand, nine hundred seventy-seven".