4777660001 has 4 divisors (see below), whose sum is σ = 4819940292. Its totient is φ = 4735379712.

The previous prime is 4777659989. The next prime is 4777660007. The reversal of 4777660001 is 1000667774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000667774 = 2 ⋅500333887.

It can be written as a sum of positive squares in 2 ways, for example, as 2401000000 + 2376660001 = 49000^2 + 48751^2 .

It is a cyclic number.

It is not a de Polignac number, because 4777660001 - 2⁶ = 4777659937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4777660007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21139976 + ... + 21140201.

It is an arithmetic number, because the mean of its divisors is an integer number (1204985073).

Almost surely, 2^4777660001 is an apocalyptic number.

It is an amenable number.

4777660001 is a deficient number, since it is larger than the sum of its proper divisors (42280291).

4777660001 is a wasteful number, since it uses less digits than its factorization.

4777660001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42280290.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 4777660001 is about 69120.6192174231. The cubic root of 4777660001 is about 1684.2442760996.

The spelling of 4777660001 in words is "four billion, seven hundred seventy-seven million, six hundred sixty thousand, one".