531872879 has 2 divisors, whose sum is σ = 531872880. Its totient is φ = 531872878.

The previous prime is 531872851. The next prime is 531872893. The reversal of 531872879 is 978278135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531872879 - 2¹⁶ = 531807343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531872819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265936439 + 265936440.

It is an arithmetic number, because the mean of its divisors is an integer number (265936440).

Almost surely, 2^531872879 is an apocalyptic number.

531872879 is a deficient number, since it is larger than the sum of its proper divisors (1).

531872879 is an equidigital number, since it uses as much as digits as its factorization.

531872879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The square root of 531872879 is about 23062.3693275431. The cubic root of 531872879 is about 810.2193578535.

The spelling of 531872879 in words is "five hundred thirty-one million, eight hundred seventy-two thousand, eight hundred seventy-nine".