4978182231 has 48 divisors (see below), whose sum is σ = 7931757600. Its totient is φ = 2983680000.

The previous prime is 4978182227. The next prime is 4978182241. The reversal of 4978182231 is 1322818794.

It is a happy number.

4978182231 is a `hidden beast` number, since 497 + 81 + 82 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 4978182231 - 2² = 4978182227 is a prime.

It is a super-2 number, since 2×4978182231² = 49564596650088274722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978182241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4144431 + ... + 4145631.

It is an arithmetic number, because the mean of its divisors is an integer number (165244950).

Almost surely, 2^4978182231 is an apocalyptic number.

4978182231 is a deficient number, since it is larger than the sum of its proper divisors (2953575369).

4978182231 is a wasteful number, since it uses less digits than its factorization.

4978182231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1645 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 4978182231 is about 70556.2345296289. The cubic root of 4978182231 is about 1707.4851295377.

The spelling of 4978182231 in words is "four billion, nine hundred seventy-eight million, one hundred eighty-two thousand, two hundred thirty-one".