87636622663678 has 8 divisors (see below), whose sum is σ = 143405382540600. Its totient is φ = 39834828483480.

The previous prime is 87636622663669. The next prime is 87636622663687.

87636622663678 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (87636622663669) and next prime (87636622663687).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991741424153 + ... + 1991741424196.

It is an arithmetic number, because the mean of its divisors is an integer number (17925672817575).

Almost surely, 2^{87636622663678} is an apocalyptic number.

87636622663678 is a deficient number, since it is larger than the sum of its proper divisors (55768759876922).

87636622663678 is a wasteful number, since it uses less digits than its factorization.

87636622663678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983482848362.

The product of its digits is 5267275776, while the sum is 76.

The spelling of 87636622663678 in words is "eighty-seven trillion, six hundred thirty-six billion, six hundred twenty-two million, six hundred sixty-three thousand, six hundred seventy-eight".