87841071 has 32 divisors (see below), whose sum is σ = 139499520. Its totient is φ = 54486432.

The previous prime is 87841069. The next prime is 87841097. The reversal of 87841071 is 17014878.

It is not a de Polignac number, because 87841071 - 2¹ = 87841069 is a prime.

It is a super-3 number, since 3×87841071³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87841001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21066 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (4359360).

Almost surely, 2^87841071 is an apocalyptic number.

87841071 is a deficient number, since it is larger than the sum of its proper divisors (51658449).

87841071 is a wasteful number, since it uses less digits than its factorization.

87841071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 87841071 is about 9372.3567473715. The cubic root of 87841071 is about 444.5280878663.

The spelling of 87841071 in words is "eighty-seven million, eight hundred forty-one thousand, seventy-one".