8378153944 has 16 divisors (see below), whose sum is σ = 15737765400. Its totient is φ = 4181416512.

The previous prime is 8378153893. The next prime is 8378153947. The reversal of 8378153944 is 4493518738.

It is a junction number, because it is equal to n+sod(n) for n = 8378153891 and 8378153900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378153947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952909 + ... + 961660.

Almost surely, 2^8378153944 is an apocalyptic number.

It is an amenable number.

8378153944 is a deficient number, since it is larger than the sum of its proper divisors (7359611456).

8378153944 is a wasteful number, since it uses less digits than its factorization.

8378153944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915122 (or 1915118 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 8378153944 is about 91532.2563034475. The cubic root of 8378153944 is about 2031.0289415178.

The spelling of 8378153944 in words is "eight billion, three hundred seventy-eight million, one hundred fifty-three thousand, nine hundred forty-four".