87390267 has 8 divisors (see below), whose sum is σ = 116599296. Its totient is φ = 58220712.

The previous prime is 87390227. The next prime is 87390287. The reversal of 87390267 is 76209378.

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

It is not a de Polignac number, because 87390267 - 2⁸ = 87390011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87390227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4243 + ... + 13884.

It is an arithmetic number, because the mean of its divisors is an integer number (14574912).

Almost surely, 2^87390267 is an apocalyptic number.

87390267 is a deficient number, since it is larger than the sum of its proper divisors (29209029).

87390267 is a wasteful number, since it uses less digits than its factorization.

87390267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 87390267 is about 9348.2761512484. The cubic root of 87390267 is about 443.7663377705.

The spelling of 87390267 in words is "eighty-seven million, three hundred ninety thousand, two hundred sixty-seven".