87662185917 has 8 divisors (see below), whose sum is σ = 118362445440. Its totient is φ = 57701691840.

The previous prime is 87662185859. The next prime is 87662185931. The reversal of 87662185917 is 71958126678.

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

It is not a de Polignac number, because 87662185917 - 2⁷ = 87662185789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87662185417) 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, 184941084 + ... + 184941557.

It is an arithmetic number, because the mean of its divisors is an integer number (14795305680).

Almost surely, 2^87662185917 is an apocalyptic number.

It is an amenable number.

87662185917 is a deficient number, since it is larger than the sum of its proper divisors (30700259523).

87662185917 is a wasteful number, since it uses less digits than its factorization.

87662185917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369882723.

The product of its digits is 10160640, while the sum is 60.

The spelling of 87662185917 in words is "eighty-seven billion, six hundred sixty-two million, one hundred eighty-five thousand, nine hundred seventeen".