87632227 has 2 divisors, whose sum is σ = 87632228. Its totient is φ = 87632226.

The previous prime is 87632203. The next prime is 87632239. The reversal of 87632227 is 72223678.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87632227 is a prime.

It is not a weakly prime, because it can be changed into another prime (87632327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43816113 + 43816114.

It is an arithmetic number, because the mean of its divisors is an integer number (43816114).

Almost surely, 2^87632227 is an apocalyptic number.

87632227 is a deficient number, since it is larger than the sum of its proper divisors (1).

87632227 is an equidigital number, since it uses as much as digits as its factorization.

87632227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 87632227 is about 9361.2086292316. The cubic root of 87632227 is about 444.1755166668.

The spelling of 87632227 in words is "eighty-seven million, six hundred thirty-two thousand, two hundred twenty-seven".