87055483221 has 24 divisors (see below), whose sum is σ = 143724559680. Its totient is φ = 49741171776.

The previous prime is 87055483217. The next prime is 87055483231. The reversal of 87055483221 is 12238455078.

87055483221 is a `hidden beast` number, since 8 + 70 + 5 + 548 + 32 + 2 + 1 = 666.

It is not a de Polignac number, because 87055483221 - 2² = 87055483217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87055483231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648910 + ... + 771488.

It is an arithmetic number, because the mean of its divisors is an integer number (5988523320).

Almost surely, 2^87055483221 is an apocalyptic number.

It is an amenable number.

87055483221 is a deficient number, since it is larger than the sum of its proper divisors (56669076459).

87055483221 is a wasteful number, since it uses less digits than its factorization.

87055483221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133865 (or 133862 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 87055483221 in words is "eighty-seven billion, fifty-five million, four hundred eighty-three thousand, two hundred twenty-one".