87100263 has 12 divisors (see below), whose sum is σ = 126316008. Its totient is φ = 57834000.

The previous prime is 87100243. The next prime is 87100267. The reversal of 87100263 is 36200178.

It is not a de Polignac number, because 87100263 - 2¹⁰ = 87099239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87100267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17020 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (10526334).

Almost surely, 2^87100263 is an apocalyptic number.

87100263 is a deficient number, since it is larger than the sum of its proper divisors (39215745).

87100263 is a wasteful number, since it uses less digits than its factorization.

87100263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38814 (or 38811 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 87100263 is about 9332.7521664298. The cubic root of 87100263 is about 443.2749152616.

The spelling of 87100263 in words is "eighty-seven million, one hundred thousand, two hundred sixty-three".