8743214123478 has 64 divisors (see below), whose sum is σ = 19725413241600. Its totient is φ = 2870118619200.

The previous prime is 8743214123407. The next prime is 8743214123491.

It is a happy number.

8743214123478 is a `hidden beast` number, since 8 + 7 + 4 + 3 + 2 + 141 + 23 + 478 = 666.

8743214123478 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914953 + ... + 4280603.

It is an arithmetic number, because the mean of its divisors is an integer number (308209581900).

Almost surely, 2^{8743214123478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8743214123478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9862706620800).

8743214123478 is an abundant number, since it is smaller than the sum of its proper divisors (10982199118122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8743214123478 is a wasteful number, since it uses less digits than its factorization.

8743214123478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366394 (or 3366388 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 8743214123478 in words is "eight trillion, seven hundred forty-three billion, two hundred fourteen million, one hundred twenty-three thousand, four hundred seventy-eight".