4977766666 has 16 divisors (see below), whose sum is σ = 7493472000. Its totient is φ = 2479954048.

The previous prime is 4977766649. The next prime is 4977766691. The reversal of 4977766666 is 6666677794.

It is a super-2 number, since 2×4977766666² = 49556321962281511112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4977766598 and 4977766607.

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 7 ways as a sum of consecutive naturals, for example, 1692225 + ... + 1695163.

It is an arithmetic number, because the mean of its divisors is an integer number (468342000).

Almost surely, 2^4977766666 is an apocalyptic number.

4977766666 is a deficient number, since it is larger than the sum of its proper divisors (2515705334).

4977766666 is a wasteful number, since it uses less digits than its factorization.

4977766666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693.

The product of its digits is 96018048, while the sum is 64.

The square root of 4977766666 is about 70553.2895476887. The cubic root of 4977766666 is about 1707.4376161570.

The spelling of 4977766666 in words is "four billion, nine hundred seventy-seven million, seven hundred sixty-six thousand, six hundred sixty-six".