87865952223 has 32 divisors (see below), whose sum is σ = 136610933760. Its totient is φ = 49199385600.

The previous prime is 87865952221. The next prime is 87865952227. The reversal of 87865952223 is 32225956878.

It is a happy number.

It is not a de Polignac number, because 87865952223 - 2¹ = 87865952221 is a prime.

It is a Smith number, since the sum of its digits (57) 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 (87865952221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7803 + ... + 419276.

It is an arithmetic number, because the mean of its divisors is an integer number (4269091680).

Almost surely, 2^87865952223 is an apocalyptic number.

87865952223 is a deficient number, since it is larger than the sum of its proper divisors (48744981537).

87865952223 is a wasteful number, since it uses less digits than its factorization.

87865952223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427287.

The product of its digits is 14515200, while the sum is 57.

The spelling of 87865952223 in words is "eighty-seven billion, eight hundred sixty-five million, nine hundred fifty-two thousand, two hundred twenty-three".