87987227 has 2 divisors, whose sum is σ = 87987228. Its totient is φ = 87987226.

The previous prime is 87987217. The next prime is 87987239. The reversal of 87987227 is 72278978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87987227 - 2²² = 83792923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87987217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43993613 + 43993614.

It is an arithmetic number, because the mean of its divisors is an integer number (43993614).

Almost surely, 2^87987227 is an apocalyptic number.

87987227 is a deficient number, since it is larger than the sum of its proper divisors (1).

87987227 is an equidigital number, since it uses as much as digits as its factorization.

87987227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 50.

The square root of 87987227 is about 9380.1506917533. The cubic root of 87987227 is about 444.7744966955.

The spelling of 87987227 in words is "eighty-seven million, nine hundred eighty-seven thousand, two hundred twenty-seven".