87474303665 has 32 divisors (see below), whose sum is σ = 121653342720. Its totient is φ = 59142703104.

The previous prime is 87474303629. The next prime is 87474303673. The reversal of 87474303665 is 56630347478.

It is a cyclic number.

It is not a de Polignac number, because 87474303665 - 2¹⁶ = 87474238129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865364 + ... + 961146.

It is an arithmetic number, because the mean of its divisors is an integer number (3801666960).

Almost surely, 2^87474303665 is an apocalyptic number.

It is an amenable number.

87474303665 is a deficient number, since it is larger than the sum of its proper divisors (34179039055).

87474303665 is a wasteful number, since it uses less digits than its factorization.

87474303665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96161.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 87474303665 in words is "eighty-seven billion, four hundred seventy-four million, three hundred three thousand, six hundred sixty-five".