4777668 has 36 divisors (see below), whose sum is σ = 13802880. Its totient is φ = 1364976.

The previous prime is 4777621. The next prime is 4777679. The reversal of 4777668 is 8667774.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4777668² = 45652223036448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9228 + ... + 9731.

Almost surely, 2^4777668 is an apocalyptic number.

It is an amenable number.

4777668 is an abundant number, since it is smaller than the sum of its proper divisors (9025212).

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

4777668 is a wasteful number, since it uses less digits than its factorization.

4777668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18976 (or 18971 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 4777668 is about 2185.7877298585. The cubic root of 4777668 is about 168.4245216048.

It can be divided in two parts, 477766 and 8, that added together give a palindrome (477774).

The spelling of 4777668 in words is "four million, seven hundred seventy-seven thousand, six hundred sixty-eight".