87796118665 has 8 divisors (see below), whose sum is σ = 105385370688. Its totient is φ = 70216876080.

The previous prime is 87796118633. The next prime is 87796118671. The reversal of 87796118665 is 56681169778.

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

It is not a de Polignac number, because 87796118665 - 2⁵ = 87796118633 is a prime.

It is a super-2 number, since 2×87796118665² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87796118597 and 87796118606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483047 + ... + 2518156.

It is an arithmetic number, because the mean of its divisors is an integer number (13173171336).

Almost surely, 2^87796118665 is an apocalyptic number.

It is an amenable number.

87796118665 is a deficient number, since it is larger than the sum of its proper divisors (17589252023).

87796118665 is a wasteful number, since it uses less digits than its factorization.

87796118665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004719.

The product of its digits is 30481920, while the sum is 64.

The spelling of 87796118665 in words is "eighty-seven billion, seven hundred ninety-six million, one hundred eighteen thousand, six hundred sixty-five".