87655427 has 2 divisors, whose sum is σ = 87655428. Its totient is φ = 87655426.

The previous prime is 87655397. The next prime is 87655441. The reversal of 87655427 is 72455678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87655427 - 2¹² = 87651331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87655327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43827713 + 43827714.

It is an arithmetic number, because the mean of its divisors is an integer number (43827714).

Almost surely, 2^87655427 is an apocalyptic number.

87655427 is a deficient number, since it is larger than the sum of its proper divisors (1).

87655427 is an equidigital number, since it uses as much as digits as its factorization.

87655427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The square root of 87655427 is about 9362.4477034587. The cubic root of 87655427 is about 444.2147106296.

The spelling of 87655427 in words is "eighty-seven million, six hundred fifty-five thousand, four hundred twenty-seven".