87065233 has 4 divisors (see below), whose sum is σ = 87373168. Its totient is φ = 86757300.

The previous prime is 87065219. The next prime is 87065269. The reversal of 87065233 is 33256078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33256078 = 2 ⋅16628039.

It is a cyclic number.

It is not a de Polignac number, because 87065233 - 2⁹ = 87064721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87065203) 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, 153543 + ... + 154108.

It is an arithmetic number, because the mean of its divisors is an integer number (21843292).

Almost surely, 2^87065233 is an apocalyptic number.

It is an amenable number.

87065233 is a deficient number, since it is larger than the sum of its proper divisors (307935).

87065233 is a wasteful number, since it uses less digits than its factorization.

87065233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307934.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 87065233 is about 9330.8752536940. The cubic root of 87065233 is about 443.2154818306.

The spelling of 87065233 in words is "eighty-seven million, sixty-five thousand, two hundred thirty-three".