4151171887 has 4 divisors (see below), whose sum is σ = 4151329000. Its totient is φ = 4151014776.

The previous prime is 4151171881. The next prime is 4151171897. The reversal of 4151171887 is 7881711514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4151171887 - 2¹⁵ = 4151139119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4151171881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28137 + ... + 95362.

It is an arithmetic number, because the mean of its divisors is an integer number (1037832250).

Almost surely, 2^4151171887 is an apocalyptic number.

4151171887 is a deficient number, since it is larger than the sum of its proper divisors (157113).

4151171887 is a wasteful number, since it uses less digits than its factorization.

4151171887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157112.

The product of its digits is 62720, while the sum is 43.

The square root of 4151171887 is about 64429.5885987176. The cubic root of 4151171887 is about 1607.1518239560.

The spelling of 4151171887 in words is "four billion, one hundred fifty-one million, one hundred seventy-one thousand, eight hundred eighty-seven".