8344518478 has 32 divisors (see below), whose sum is σ = 12789599328. Its totient is φ = 4082611200.

The previous prime is 8344518463. The next prime is 8344518487. The reversal of 8344518478 is 8748154438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065048 + ... + 7066228.

It is an arithmetic number, because the mean of its divisors is an integer number (399674979).

Almost surely, 2^8344518478 is an apocalyptic number.

8344518478 is a deficient number, since it is larger than the sum of its proper divisors (4445080850).

8344518478 is a wasteful number, since it uses less digits than its factorization.

8344518478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 3440640, while the sum is 52.

The square root of 8344518478 is about 91348.3359344876. The cubic root of 8344518478 is about 2028.3073304543.

The spelling of 8344518478 in words is "eight billion, three hundred forty-four million, five hundred eighteen thousand, four hundred seventy-eight".