87448530881521 has 8 divisors (see below), whose sum is σ = 91462359354624. Its totient is φ = 83452345611360.

The previous prime is 87448530881471. The next prime is 87448530881539. The reversal of 87448530881521 is 12518803584478.

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 87448530881521 - 2¹¹ = 87448530879473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87448530581521) 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, 4410790596 + ... + 4410810421.

It is an arithmetic number, because the mean of its divisors is an integer number (11432794919328).

Almost surely, 2^{87448530881521} is an apocalyptic number.

It is an amenable number.

87448530881521 is a deficient number, since it is larger than the sum of its proper divisors (4013828473103).

87448530881521 is a wasteful number, since it uses less digits than its factorization.

87448530881521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821601471.

The product of its (nonzero) digits is 68812800, while the sum is 64.

The spelling of 87448530881521 in words is "eighty-seven trillion, four hundred forty-eight billion, five hundred thirty million, eight hundred eighty-one thousand, five hundred twenty-one".