8378443862 has 8 divisors (see below), whose sum is σ = 12568062576. Its totient is φ = 4189089672.

The previous prime is 8378443847. The next prime is 8378443907. The reversal of 8378443862 is 2683448738.

It is a happy number.

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, 65288 + ... + 144980.

It is an arithmetic number, because the mean of its divisors is an integer number (1571007822).

Almost surely, 2^8378443862 is an apocalyptic number.

8378443862 is a deficient number, since it is larger than the sum of its proper divisors (4189618714).

8378443862 is a wasteful number, since it uses less digits than its factorization.

8378443862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132262.

The product of its digits is 6193152, while the sum is 53.

The square root of 8378443862 is about 91533.8399828173. The cubic root of 8378443862 is about 2031.0523685186.

The spelling of 8378443862 in words is "eight billion, three hundred seventy-eight million, four hundred forty-three thousand, eight hundred sixty-two".