87983321 has 8 divisors (see below), whose sum is σ = 89441664. Its totient is φ = 86536800.

The previous prime is 87983317. The next prime is 87983351. The reversal of 87983321 is 12338978.

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 87983321 - 2² = 87983317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87983351) 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, 12725 + ... + 18381.

It is an arithmetic number, because the mean of its divisors is an integer number (11180208).

Almost surely, 2^87983321 is an apocalyptic number.

It is an amenable number.

87983321 is a deficient number, since it is larger than the sum of its proper divisors (1458343).

87983321 is a wasteful number, since it uses less digits than its factorization.

87983321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911.

The product of its digits is 72576, while the sum is 41.

The square root of 87983321 is about 9379.9424838322. The cubic root of 87983321 is about 444.7679150020.

The spelling of 87983321 in words is "eighty-seven million, nine hundred eighty-three thousand, three hundred twenty-one".