4855504878 has 128 divisors (see below), whose sum is σ = 13125888000. Its totient is φ = 1298778624.

The previous prime is 4855504837. The next prime is 4855504879. The reversal of 4855504878 is 8784055584.

4855504878 is a `hidden beast` number, since 4 + 8 + 5 + 550 + 4 + 87 + 8 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4855504879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1276876 + ... + 1280672.

It is an arithmetic number, because the mean of its divisors is an integer number (102546000).

Almost surely, 2^4855504878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4855504878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562944000).

4855504878 is an abundant number, since it is smaller than the sum of its proper divisors (8270383122).

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

4855504878 is a wasteful number, since it uses less digits than its factorization.

4855504878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 54.

The square root of 4855504878 is about 69681.4528981708. The cubic root of 4855504878 is about 1693.3424598143.

The spelling of 4855504878 in words is "four billion, eight hundred fifty-five million, five hundred four thousand, eight hundred seventy-eight".