501982772 has 12 divisors (see below), whose sum is σ = 878743236. Its totient is φ = 250913280.

The previous prime is 501982759. The next prime is 501982777. The reversal of 501982772 is 277289105.

It can be written as a sum of positive squares in 2 ways, for example, as 421234576 + 80748196 = 20524^2 + 8986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501982777) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3629 + ... + 31892.

It is an arithmetic number, because the mean of its divisors is an integer number (73228603).

Almost surely, 2^501982772 is an apocalyptic number.

It is an amenable number.

501982772 is a deficient number, since it is larger than the sum of its proper divisors (376760464).

501982772 is a wasteful number, since it uses less digits than its factorization.

501982772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39058 (or 39056 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 501982772 is about 22404.9720374742. The cubic root of 501982772 is about 794.7482936654.

The spelling of 501982772 in words is "five hundred one million, nine hundred eighty-two thousand, seven hundred seventy-two".