87884233 has 4 divisors (see below), whose sum is σ = 87916948. Its totient is φ = 87851520.

The previous prime is 87884201. The next prime is 87884249. The reversal of 87884233 is 33248878.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42146064 + 45738169 = 6492^2 + 6763^2 .

It is a cyclic number.

It is not a de Polignac number, because 87884233 - 2⁵ = 87884201 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 87884233.

It is not an unprimeable number, because it can be changed into a prime (87884333) 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, 11928 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (21979237).

Almost surely, 2^87884233 is an apocalyptic number.

It is an amenable number.

87884233 is a deficient number, since it is larger than the sum of its proper divisors (32715).

87884233 is a wasteful number, since it uses less digits than its factorization.

87884233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32714.

The product of its digits is 258048, while the sum is 43.

The square root of 87884233 is about 9374.6590871348. The cubic root of 87884233 is about 444.6008844120.

The spelling of 87884233 in words is "eighty-seven million, eight hundred eighty-four thousand, two hundred thirty-three".