87736223 has 4 divisors (see below), whose sum is σ = 90761640. Its totient is φ = 84710808.

The previous prime is 87736199. The next prime is 87736247. The reversal of 87736223 is 32263778.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (87736199) and next prime (87736247).

It is a cyclic number.

It is not a de Polignac number, because 87736223 - 2¹⁰ = 87735199 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 (87736123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512665 + ... + 1512722.

It is an arithmetic number, because the mean of its divisors is an integer number (22690410).

Almost surely, 2^87736223 is an apocalyptic number.

87736223 is a deficient number, since it is larger than the sum of its proper divisors (3025417).

87736223 is a wasteful number, since it uses less digits than its factorization.

87736223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025416.

The product of its digits is 84672, while the sum is 38.

The square root of 87736223 is about 9366.7616068735. The cubic root of 87736223 is about 444.3511530278.

The spelling of 87736223 in words is "eighty-seven million, seven hundred thirty-six thousand, two hundred twenty-three".