87263871 has 16 divisors (see below), whose sum is σ = 123621600. Its totient is φ = 54649728.

The previous prime is 87263861. The next prime is 87263887. The reversal of 87263871 is 17836278.

It is not a de Polignac number, because 87263871 - 2⁹ = 87263359 is a prime.

It is a super-2 number, since 2×87263871² = 15229966363809282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87263861) 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, 10336 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (7726350).

Almost surely, 2^87263871 is an apocalyptic number.

87263871 is a deficient number, since it is larger than the sum of its proper divisors (36357729).

87263871 is a wasteful number, since it uses less digits than its factorization.

87263871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27178.

The product of its digits is 112896, while the sum is 42.

The square root of 87263871 is about 9341.5133142334. The cubic root of 87263871 is about 443.5522889388.

The spelling of 87263871 in words is "eighty-seven million, two hundred sixty-three thousand, eight hundred seventy-one".