4877181720 has 160 divisors (see below), whose sum is σ = 16958343600. Its totient is φ = 1255709952.

The previous prime is 4877181713. The next prime is 4877181721. The reversal of 4877181720 is 271817784.

4877181720 is a `hidden beast` number, since 487 + 71 + 81 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4877181721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68007 + ... + 119913.

Almost surely, 2^4877181720 is an apocalyptic number.

4877181720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4877181720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8479171800).

4877181720 is an abundant number, since it is smaller than the sum of its proper divisors (12081161880).

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

4877181720 is a wasteful number, since it uses less digits than its factorization.

4877181720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51959 (or 51946 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 45.

The square root of 4877181720 is about 69836.8220926468. The cubic root of 4877181720 is about 1695.8586298964.

The spelling of 4877181720 in words is "four billion, eight hundred seventy-seven million, one hundred eighty-one thousand, seven hundred twenty".