87530613321 has 8 divisors (see below), whose sum is σ = 116710848864. Its totient is φ = 58352060000.

The previous prime is 87530613299. The next prime is 87530613367. The reversal of 87530613321 is 12331603578.

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 87530613321 - 2⁶ = 87530613257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87530613321.

It is not an unprimeable number, because it can be changed into a prime (87530213321) 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, 293676 + ... + 511181.

It is an arithmetic number, because the mean of its divisors is an integer number (14588856108).

Almost surely, 2^87530613321 is an apocalyptic number.

It is an amenable number.

87530613321 is a deficient number, since it is larger than the sum of its proper divisors (29180235543).

87530613321 is a wasteful number, since it uses less digits than its factorization.

87530613321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841111.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 87530613321 in words is "eighty-seven billion, five hundred thirty million, six hundred thirteen thousand, three hundred twenty-one".