87426271 has 4 divisors (see below), whose sum is σ = 90441000. Its totient is φ = 84411544.

The previous prime is 87426263. The next prime is 87426299. The reversal of 87426271 is 17262478.

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 87426271 - 2³ = 87426263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87426271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87426211) 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, 1507321 + ... + 1507378.

It is an arithmetic number, because the mean of its divisors is an integer number (22610250).

Almost surely, 2^87426271 is an apocalyptic number.

87426271 is a deficient number, since it is larger than the sum of its proper divisors (3014729).

87426271 is a wasteful number, since it uses less digits than its factorization.

87426271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014728.

The product of its digits is 37632, while the sum is 37.

The square root of 87426271 is about 9350.2016555794. The cubic root of 87426271 is about 443.8272719763.

The spelling of 87426271 in words is "eighty-seven million, four hundred twenty-six thousand, two hundred seventy-one".