4878655992 has 288 divisors, whose sum is σ = 16417299600. Its totient is φ = 1301142528.

The previous prime is 4878655967. The next prime is 4878655997. The reversal of 4878655992 is 2995568784.

4878655992 is a `hidden beast` number, since 4 + 8 + 78 + 6 + 559 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878655997) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4892838 + ... + 4893834.

Almost surely, 2^4878655992 is an apocalyptic number.

4878655992 is a gapful number since it is divisible by the number (42) 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 4878655992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208649800).

4878655992 is an abundant number, since it is smaller than the sum of its proper divisors (11538643608).

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

4878655992 is a wasteful number, since it uses less digits than its factorization.

4878655992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1101 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The square root of 4878655992 is about 69847.3764145798. The cubic root of 4878655992 is about 1696.0294871090.

The spelling of 4878655992 in words is "four billion, eight hundred seventy-eight million, six hundred fifty-five thousand, nine hundred ninety-two".