531887080 has 16 divisors (see below), whose sum is σ = 1196746020. Its totient is φ = 212754816.

The previous prime is 531887077. The next prime is 531887089. The reversal of 531887080 is 80788135.

It can be written as a sum of positive squares in 2 ways, for example, as 528908004 + 2979076 = 22998^2 + 1726^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 13297177 = 531887080 / (5 + 3 + 1 + 8 + 8 + 7 + 0 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (531887089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6648549 + ... + 6648628.

Almost surely, 2^531887080 is an apocalyptic number.

It is an amenable number.

531887080 is an abundant number, since it is smaller than the sum of its proper divisors (664858940).

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

531887080 is a wasteful number, since it uses less digits than its factorization.

531887080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297188 (or 13297184 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 531887080 is about 23062.6772079913. The cubic root of 531887080 is about 810.2265687386.

The spelling of 531887080 in words is "five hundred thirty-one million, eight hundred eighty-seven thousand, eighty".