87997027 has 2 divisors, whose sum is σ = 87997028. Its totient is φ = 87997026.

The previous prime is 87997009. The next prime is 87997031. The reversal of 87997027 is 72079978.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87997027 - 2¹⁹ = 87472739 is a prime.

It is not a weakly prime, because it can be changed into another prime (87997067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43998513 + 43998514.

It is an arithmetic number, because the mean of its divisors is an integer number (43998514).

Almost surely, 2^87997027 is an apocalyptic number.

87997027 is a deficient number, since it is larger than the sum of its proper divisors (1).

87997027 is an equidigital number, since it uses as much as digits as its factorization.

87997027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 87997027 is about 9380.6730568760. The cubic root of 87997027 is about 444.7910090477.

The spelling of 87997027 in words is "eighty-seven million, nine hundred ninety-seven thousand, twenty-seven".