87885923 has 2 divisors, whose sum is σ = 87885924. Its totient is φ = 87885922.

The previous prime is 87885871. The next prime is 87885929. The reversal of 87885923 is 32958878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87885923 - 2⁸ = 87885667 is a prime.

It is not a weakly prime, because it can be changed into another prime (87885929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43942961 + 43942962.

It is an arithmetic number, because the mean of its divisors is an integer number (43942962).

Almost surely, 2^87885923 is an apocalyptic number.

87885923 is a deficient number, since it is larger than the sum of its proper divisors (1).

87885923 is an equidigital number, since it uses as much as digits as its factorization.

87885923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The square root of 87885923 is about 9374.7492233126. The cubic root of 87885923 is about 444.6037342622.

The spelling of 87885923 in words is "eighty-seven million, eight hundred eighty-five thousand, nine hundred twenty-three".