87289316 has 12 divisors (see below), whose sum is σ = 154184688. Its totient is φ = 43236552.

The previous prime is 87289309. The next prime is 87289337. The reversal of 87289316 is 61398278.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101546 + ... + 102401.

It is an arithmetic number, because the mean of its divisors is an integer number (12848724).

Almost surely, 2^87289316 is an apocalyptic number.

It is an amenable number.

87289316 is a deficient number, since it is larger than the sum of its proper divisors (66895372).

87289316 is a wasteful number, since it uses less digits than its factorization.

87289316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204058 (or 204056 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 87289316 is about 9342.8751463348. The cubic root of 87289316 is about 443.5953960922.

The spelling of 87289316 in words is "eighty-seven million, two hundred eighty-nine thousand, three hundred sixteen".