87923599 has 2 divisors, whose sum is σ = 87923600. Its totient is φ = 87923598.

The previous prime is 87923597. The next prime is 87923623. The reversal of 87923599 is 99532978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87923599 - 2¹ = 87923597 is a prime.

It is a super-2 number, since 2×87923599² = 15461118522225602, which contains 22 as substring.

Together with 87923597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87923593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43961799 + 43961800.

It is an arithmetic number, because the mean of its divisors is an integer number (43961800).

Almost surely, 2^87923599 is an apocalyptic number.

87923599 is a deficient number, since it is larger than the sum of its proper divisors (1).

87923599 is an equidigital number, since it uses as much as digits as its factorization.

87923599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 52.

The square root of 87923599 is about 9376.7584484192. The cubic root of 87923599 is about 444.6672578870.

The spelling of 87923599 in words is "eighty-seven million, nine hundred twenty-three thousand, five hundred ninety-nine".