4608077781 has 16 divisors (see below), whose sum is σ = 6309051840. Its totient is φ = 2989937280.

The previous prime is 4608077777. The next prime is 4608077839. The reversal of 4608077781 is 1877708064.

It is not a de Polignac number, because 4608077781 - 2² = 4608077777 is a prime.

It is a super-2 number, since 2×4608077781² = 42468761671491767922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4608077781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4608077701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6831 + ... + 96243.

It is an arithmetic number, because the mean of its divisors is an integer number (394315740).

Almost surely, 2^4608077781 is an apocalyptic number.

4608077781 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4608077781 is a deficient number, since it is larger than the sum of its proper divisors (1700974059).

4608077781 is a wasteful number, since it uses less digits than its factorization.

4608077781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89876.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 4608077781 is about 67882.8239026633. The cubic root of 4608077781 is about 1664.0764212939.

The spelling of 4608077781 in words is "four billion, six hundred eight million, seventy-seven thousand, seven hundred eighty-one".