8878531 has 2 divisors, whose sum is σ = 8878532. Its totient is φ = 8878530.

The previous prime is 8878517. The next prime is 8878537. The reversal of 8878531 is 1358788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8878531 - 2⁹ = 8878019 is a prime.

It is a super-2 number, since 2×8878531² = 157656625435922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8878537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4439265 + 4439266.

It is an arithmetic number, because the mean of its divisors is an integer number (4439266).

Almost surely, 2^8878531 is an apocalyptic number.

8878531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8878531 is an equidigital number, since it uses as much as digits as its factorization.

8878531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8878531 is about 2979.6863928944. The cubic root of 8878531 is about 207.0683415347.

It can be divided in two parts, 8878 and 531, that added together give a square (9409 = 97²).

The spelling of 8878531 in words is "eight million, eight hundred seventy-eight thousand, five hundred thirty-one".