87654271 has 2 divisors, whose sum is σ = 87654272. Its totient is φ = 87654270.

The previous prime is 87654247. The next prime is 87654283. The reversal of 87654271 is 17245678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87654271 - 2¹³ = 87646079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87654241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43827135 + 43827136.

It is an arithmetic number, because the mean of its divisors is an integer number (43827136).

Almost surely, 2^87654271 is an apocalyptic number.

87654271 is a deficient number, since it is larger than the sum of its proper divisors (1).

87654271 is an equidigital number, since it uses as much as digits as its factorization.

87654271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 87654271 is about 9362.3859672628. The cubic root of 87654271 is about 444.2127578528.

The spelling of 87654271 in words is "eighty-seven million, six hundred fifty-four thousand, two hundred seventy-one".