87492887 has 2 divisors, whose sum is σ = 87492888. Its totient is φ = 87492886.

The previous prime is 87492859. The next prime is 87492907. The reversal of 87492887 is 78829478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87492887 - 2⁸ = 87492631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87492817) 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, 43746443 + 43746444.

It is an arithmetic number, because the mean of its divisors is an integer number (43746444).

Almost surely, 2^87492887 is an apocalyptic number.

87492887 is a deficient number, since it is larger than the sum of its proper divisors (1).

87492887 is an equidigital number, since it uses as much as digits as its factorization.

87492887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 53.

The square root of 87492887 is about 9353.7632533649. The cubic root of 87492887 is about 443.9399707145.

The spelling of 87492887 in words is "eighty-seven million, four hundred ninety-two thousand, eight hundred eighty-seven".