87718386623 has 8 divisors (see below), whose sum is σ = 100304590848. Its totient is φ = 75145933944.

The previous prime is 87718386601. The next prime is 87718386641. The reversal of 87718386623 is 32668381778.

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 87718386623 - 2⁶ = 87718386559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87718386643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424211 + ... + 3449732.

It is an arithmetic number, because the mean of its divisors is an integer number (12538073856).

Almost surely, 2^87718386623 is an apocalyptic number.

87718386623 is a deficient number, since it is larger than the sum of its proper divisors (12586204225).

87718386623 is a wasteful number, since it uses less digits than its factorization.

87718386623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875773.

The product of its digits is 16257024, while the sum is 59.

The spelling of 87718386623 in words is "eighty-seven billion, seven hundred eighteen million, three hundred eighty-six thousand, six hundred twenty-three".