87956321 has 8 divisors (see below), whose sum is σ = 88558464. Its totient is φ = 87356880.

The previous prime is 87956287. The next prime is 87956353. The reversal of 87956321 is 12365978.

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

It is a cyclic number.

It is not a de Polignac number, because 87956321 - 2⁶ = 87956257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87956221) 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, 162311 + ... + 162851.

It is an arithmetic number, because the mean of its divisors is an integer number (11069808).

Almost surely, 2^87956321 is an apocalyptic number.

It is an amenable number.

87956321 is a deficient number, since it is larger than the sum of its proper divisors (602143).

87956321 is a wasteful number, since it uses less digits than its factorization.

87956321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 90720, while the sum is 41.

The square root of 87956321 is about 9378.5031321635. The cubic root of 87956321 is about 444.7224140965.

The spelling of 87956321 in words is "eighty-seven million, nine hundred fifty-six thousand, three hundred twenty-one".