87591667553 has 8 divisors (see below), whose sum is σ = 97372375296. Its totient is φ = 78245658000.

The previous prime is 87591667543. The next prime is 87591667577. The reversal of 87591667553 is 35576619578.

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 87591667553 - 2¹² = 87591663457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87591667543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108674123 + ... + 108674928.

It is an arithmetic number, because the mean of its divisors is an integer number (12171546912).

Almost surely, 2^87591667553 is an apocalyptic number.

It is an amenable number.

87591667553 is a deficient number, since it is larger than the sum of its proper divisors (9780707743).

87591667553 is a wasteful number, since it uses less digits than its factorization.

87591667553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217349095.

The product of its digits is 47628000, while the sum is 62.

The spelling of 87591667553 in words is "eighty-seven billion, five hundred ninety-one million, six hundred sixty-seven thousand, five hundred fifty-three".