8619043378 has 16 divisors (see below), whose sum is σ = 14846199840. Its totient is φ = 3711549600.

The previous prime is 8619043361. The next prime is 8619043393. The reversal of 8619043378 is 8733409168.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 10309443 + ... + 10310278.

It is an arithmetic number, because the mean of its divisors is an integer number (927887490).

Almost surely, 2^8619043378 is an apocalyptic number.

8619043378 is a deficient number, since it is larger than the sum of its proper divisors (6227156462).

8619043378 is a wasteful number, since it uses less digits than its factorization.

8619043378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20619753.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 8619043378 is about 92838.8031913380. The cubic root of 8619043378 is about 2050.3107502749.

The spelling of 8619043378 in words is "eight billion, six hundred nineteen million, forty-three thousand, three hundred seventy-eight".