87828127 has 4 divisors (see below), whose sum is σ = 92450680. Its totient is φ = 83205576.

The previous prime is 87828107. The next prime is 87828131. The reversal of 87828127 is 72182878.

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 87828127 - 2²³ = 79439519 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 (87828107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311248 + ... + 2311285.

It is an arithmetic number, because the mean of its divisors is an integer number (23112670).

Almost surely, 2^87828127 is an apocalyptic number.

87828127 is a deficient number, since it is larger than the sum of its proper divisors (4622553).

87828127 is a wasteful number, since it uses less digits than its factorization.

87828127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622552.

The product of its digits is 100352, while the sum is 43.

The square root of 87828127 is about 9371.6661805679. Note that the first 3 decimals coincide. The cubic root of 87828127 is about 444.5062520130.

The spelling of 87828127 in words is "eighty-seven million, eight hundred twenty-eight thousand, one hundred twenty-seven".