87712433 has 4 divisors (see below), whose sum is σ = 87748080. Its totient is φ = 87676788.

The previous prime is 87712421. The next prime is 87712441. The reversal of 87712433 is 33421778.

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.

It is a cyclic number.

It is not a de Polignac number, because 87712433 - 2⁶ = 87712369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87712393 and 87712402.

It is not an unprimeable number, because it can be changed into a prime (87712483) 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 3 ways as a sum of consecutive naturals, for example, 13835 + ... + 19152.

It is an arithmetic number, because the mean of its divisors is an integer number (21937020).

Almost surely, 2^87712433 is an apocalyptic number.

It is an amenable number.

87712433 is a deficient number, since it is larger than the sum of its proper divisors (35647).

87712433 is a wasteful number, since it uses less digits than its factorization.

87712433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35646.

The product of its digits is 28224, while the sum is 35.

The square root of 87712433 is about 9365.4916048225. The cubic root of 87712433 is about 444.3109869133.

The spelling of 87712433 in words is "eighty-seven million, seven hundred twelve thousand, four hundred thirty-three".