482191978 has 16 divisors (see below), whose sum is σ = 773422344. Its totient is φ = 224665600.

The previous prime is 482191909. The next prime is 482191993. The reversal of 482191978 is 879191284.

It can be written as a sum of positive squares in 4 ways, for example, as 462981289 + 19210689 = 21517^2 + 4383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66775 + ... + 73642.

Almost surely, 2^482191978 is an apocalyptic number.

482191978 is a deficient number, since it is larger than the sum of its proper divisors (291230366).

482191978 is a wasteful number, since it uses less digits than its factorization.

482191978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140537.

The product of its digits is 290304, while the sum is 49.

The square root of 482191978 is about 21958.8701439760. The cubic root of 482191978 is about 784.1635663256.

The spelling of 482191978 in words is "four hundred eighty-two million, one hundred ninety-one thousand, nine hundred seventy-eight".