87493271 has 16 divisors (see below), whose sum is σ = 100164960. Its totient is φ = 75893760.

The previous prime is 87493249. The next prime is 87493297. The reversal of 87493271 is 17239478.

It is a cyclic number.

It is not a de Polignac number, because 87493271 - 2⁶ = 87493207 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87493171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8291 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (6260310).

Almost surely, 2^87493271 is an apocalyptic number.

87493271 is a deficient number, since it is larger than the sum of its proper divisors (12671689).

87493271 is a wasteful number, since it uses less digits than its factorization.

87493271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394.

The product of its digits is 84672, while the sum is 41.

The square root of 87493271 is about 9353.7837798401. The cubic root of 87493271 is about 443.9406201871.

The spelling of 87493271 in words is "eighty-seven million, four hundred ninety-three thousand, two hundred seventy-one".