87121018333 has 8 divisors (see below), whose sum is σ = 87619706720. Its totient is φ = 86622521040.

The previous prime is 87121018321. The next prime is 87121018339. The reversal of 87121018333 is 33381012178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87121018333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87121018292 and 87121018301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87121018339) 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, 922798 + ... + 1012816.

It is an arithmetic number, because the mean of its divisors is an integer number (10952463340).

Almost surely, 2^87121018333 is an apocalyptic number.

It is an amenable number.

87121018333 is a deficient number, since it is larger than the sum of its proper divisors (498688387).

87121018333 is a wasteful number, since it uses less digits than its factorization.

87121018333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95547.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 87121018333 in words is "eighty-seven billion, one hundred twenty-one million, eighteen thousand, three hundred thirty-three".