87071601 has 16 divisors (see below), whose sum is σ = 120441600. Its totient is φ = 55886208.

The previous prime is 87071599. The next prime is 87071617. The reversal of 87071601 is 10617078.

It is not a de Polignac number, because 87071601 - 2¹ = 87071599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87071801) 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 in 15 ways as a sum of consecutive naturals, for example, 34360 + ... + 36806.

It is an arithmetic number, because the mean of its divisors is an integer number (7527600).

Almost surely, 2^87071601 is an apocalyptic number.

It is an amenable number.

87071601 is a deficient number, since it is larger than the sum of its proper divisors (33369999).

87071601 is a wasteful number, since it uses less digits than its factorization.

87071601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 87071601 is about 9331.2164801809. The cubic root of 87071601 is about 443.2262872435.

Adding to 87071601 its reverse (10617078), we get a palindrome (97688679).

The spelling of 87071601 in words is "eighty-seven million, seventy-one thousand, six hundred one".