8734664378 has 8 divisors (see below), whose sum is σ = 14293087200. Its totient is φ = 3970301980.

The previous prime is 8734664329. The next prime is 8734664383.

8734664378 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198515078 + ... + 198515121.

It is an arithmetic number, because the mean of its divisors is an integer number (1786635900).

Almost surely, 2^8734664378 is an apocalyptic number.

8734664378 is a deficient number, since it is larger than the sum of its proper divisors (5558422822).

8734664378 is a wasteful number, since it uses less digits than its factorization.

8734664378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397030212.

The product of its digits is 16257024, while the sum is 56.

The square root of 8734664378 is about 93459.4263731594. The cubic root of 8734664378 is about 2059.4380892702.

The spelling of 8734664378 in words is "eight billion, seven hundred thirty-four million, six hundred sixty-four thousand, three hundred seventy-eight".