4578722271882 has 128 divisors (see below), whose sum is σ = 11341828915200. Its totient is φ = 1357284427200.

The previous prime is 4578722271881. The next prime is 4578722271883. The reversal of 4578722271882 is 2881722278754.

It is a happy number.

4578722271882 is a `hidden beast` number, since 4 + 578 + 7 + 22 + 27 + 18 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (4578722271881) and next prime (4578722271883).

It is not an unprimeable number, because it can be changed into a prime (4578722271881) 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, 56605207 + ... + 56686037.

It is an arithmetic number, because the mean of its divisors is an integer number (88608038400).

Almost surely, 2^{4578722271882} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4578722271882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5670914457600).

4578722271882 is an abundant number, since it is smaller than the sum of its proper divisors (6763106643318).

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

4578722271882 is a wasteful number, since it uses less digits than its factorization.

4578722271882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82929 (or 82923 counting only the distinct ones).

The product of its digits is 56197120, while the sum is 63.

The spelling of 4578722271882 in words is "four trillion, five hundred seventy-eight billion, seven hundred twenty-two million, two hundred seventy-one thousand, eight hundred eighty-two".