87546427 has 2 divisors, whose sum is σ = 87546428. Its totient is φ = 87546426.

The previous prime is 87546401. The next prime is 87546451. The reversal of 87546427 is 72464578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87546427 - 2¹⁵ = 87513659 is a prime.

It is not a weakly prime, because it can be changed into another prime (87546467) 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, 43773213 + 43773214.

It is an arithmetic number, because the mean of its divisors is an integer number (43773214).

Almost surely, 2^87546427 is an apocalyptic number.

87546427 is a deficient number, since it is larger than the sum of its proper divisors (1).

87546427 is an equidigital number, since it uses as much as digits as its factorization.

87546427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 43.

The square root of 87546427 is about 9356.6247653735. The cubic root of 87546427 is about 444.0305064530.

The spelling of 87546427 in words is "eighty-seven million, five hundred forty-six thousand, four hundred twenty-seven".