87643234678 has 8 divisors (see below), whose sum is σ = 134261976672. Its totient is φ = 42889242456.

The previous prime is 87643234649. The next prime is 87643234687.

87643234678 is nontrivially palindromic in base 10.

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, 466187325 + ... + 466187512.

It is an arithmetic number, because the mean of its divisors is an integer number (16782747084).

Almost surely, 2^87643234678 is an apocalyptic number.

87643234678 is a deficient number, since it is larger than the sum of its proper divisors (46618741994).

87643234678 is a wasteful number, since it uses less digits than its factorization.

87643234678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932374886.

The product of its digits is 32514048, while the sum is 58.

The spelling of 87643234678 in words is "eighty-seven billion, six hundred forty-three million, two hundred thirty-four thousand, six hundred seventy-eight".