4777647840 has 192 divisors, whose sum is σ = 19110712320. Its totient is φ = 1092026880.

The previous prime is 4777647817. The next prime is 4777647841. The reversal of 4777647840 is 487467774.

4777647840 is a `hidden beast` number, since 477 + 7 + 64 + 78 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4777647841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48756 + ... + 109235.

It is an arithmetic number, because the mean of its divisors is an integer number (99534960).

Almost surely, 2^4777647840 is an apocalyptic number.

4777647840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4777647840 is an abundant number, since it is smaller than the sum of its proper divisors (14333064480).

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

4777647840 is a wasteful number, since it uses less digits than its factorization.

4777647840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158022 (or 158008 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 54.

The square root of 4777647840 is about 69120.5312479584. The cubic root of 4777647840 is about 1684.2428470799.

The spelling of 4777647840 in words is "four billion, seven hundred seventy-seven million, six hundred forty-seven thousand, eight hundred forty".