4172004987 has 8 divisors (see below), whose sum is σ = 5577831936. Its totient is φ = 2773757352.

The previous prime is 4172004959. The next prime is 4172004997. The reversal of 4172004987 is 7894002714.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4172004987 - 2¹² = 4172000891 is a prime.

It is a super-2 number, since 2×4172004987² = 34811251223105740338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4172004997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893543 + ... + 1895744.

It is an arithmetic number, because the mean of its divisors is an integer number (697228992).

Almost surely, 2^4172004987 is an apocalyptic number.

4172004987 is a deficient number, since it is larger than the sum of its proper divisors (1405826949).

4172004987 is a wasteful number, since it uses less digits than its factorization.

4172004987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789657.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 4172004987 is about 64591.0596522460. The cubic root of 4172004987 is about 1609.8358932818.

The spelling of 4172004987 in words is "four billion, one hundred seventy-two million, four thousand, nine hundred eighty-seven".