87628271 has 8 divisors (see below), whose sum is σ = 89260704. Its totient is φ = 86007040.

The previous prime is 87628267. The next prime is 87628283. The reversal of 87628271 is 17282678.

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

It is a cyclic number.

It is not a de Polignac number, because 87628271 - 2² = 87628267 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 (87628201) 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, 13895 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (11157588).

Almost surely, 2^87628271 is an apocalyptic number.

87628271 is a deficient number, since it is larger than the sum of its proper divisors (1632433).

87628271 is a wasteful number, since it uses less digits than its factorization.

87628271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601.

The product of its digits is 75264, while the sum is 41.

The square root of 87628271 is about 9360.9973293448. The cubic root of 87628271 is about 444.1688327300.

The spelling of 87628271 in words is "eighty-seven million, six hundred twenty-eight thousand, two hundred seventy-one".