87041671 has 2 divisors, whose sum is σ = 87041672. Its totient is φ = 87041670.

The previous prime is 87041659. The next prime is 87041687. The reversal of 87041671 is 17614078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87041671 - 2⁵ = 87041639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87041621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43520835 + 43520836.

It is an arithmetic number, because the mean of its divisors is an integer number (43520836).

Almost surely, 2^87041671 is an apocalyptic number.

87041671 is a deficient number, since it is larger than the sum of its proper divisors (1).

87041671 is an equidigital number, since it uses as much as digits as its factorization.

87041671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 87041671 is about 9329.6125857401. The cubic root of 87041671 is about 443.1754965421.

The spelling of 87041671 in words is "eighty-seven million, forty-one thousand, six hundred seventy-one".