87116433 has 8 divisors (see below), whose sum is σ = 121205568. Its totient is φ = 55552464.

The previous prime is 87116423. The next prime is 87116459. The reversal of 87116433 is 33461178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87116433 - 2⁵ = 87116401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87116394 and 87116403.

It is not an unprimeable number, because it can be changed into a prime (87116413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631210 + ... + 631347.

It is an arithmetic number, because the mean of its divisors is an integer number (15150696).

Almost surely, 2^87116433 is an apocalyptic number.

It is an amenable number.

87116433 is a deficient number, since it is larger than the sum of its proper divisors (34089135).

87116433 is a wasteful number, since it uses less digits than its factorization.

87116433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262583.

The product of its digits is 12096, while the sum is 33.

The square root of 87116433 is about 9333.6184301695. The cubic root of 87116433 is about 443.3023446157.

The spelling of 87116433 in words is "eighty-seven million, one hundred sixteen thousand, four hundred thirty-three".