87632001 has 24 divisors (see below), whose sum is σ = 132550080. Its totient is φ = 55683936.

The previous prime is 87631993. The next prime is 87632011. The reversal of 87632001 is 10023678.

It is not a de Polignac number, because 87632001 - 2³ = 87631993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87632011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77895 + ... + 79011.

It is an arithmetic number, because the mean of its divisors is an integer number (5522920).

Almost surely, 2^87632001 is an apocalyptic number.

It is an amenable number.

87632001 is a deficient number, since it is larger than the sum of its proper divisors (44918079).

87632001 is a wasteful number, since it uses less digits than its factorization.

87632001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 87632001 is about 9361.1965581329. The cubic root of 87632001 is about 444.1751348295.

Adding to 87632001 its reverse (10023678), we get a palindrome (97655679).

The spelling of 87632001 in words is "eighty-seven million, six hundred thirty-two thousand, one".