8687632004 has 6 divisors (see below), whose sum is σ = 15203356014. Its totient is φ = 4343816000.

The previous prime is 8687631989. The next prime is 8687632007. The reversal of 8687632004 is 4002367868.

It can be written as a sum of positive squares in only one way, i.e., 8589582400 + 98049604 = 92680^2 + 9902^2 .

It is not an unprimeable number, because it can be changed into a prime (8687632007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085953997 + ... + 1085954004.

It is an arithmetic number, because the mean of its divisors is an integer number (2533892669).

Almost surely, 2^8687632004 is an apocalyptic number.

It is an amenable number.

8687632004 is a deficient number, since it is larger than the sum of its proper divisors (6515724010).

8687632004 is a wasteful number, since it uses less digits than its factorization.

8687632004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171908005 (or 2171908003 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 8687632004 is about 93207.4675334546. The cubic root of 8687632004 is about 2055.7350416458.

The spelling of 8687632004 in words is "eight billion, six hundred eighty-seven million, six hundred thirty-two thousand, four".