8378755392 has 168 divisors, whose sum is σ = 26620988160. Its totient is φ = 2316625920.

The previous prime is 8378755373. The next prime is 8378755393. The reversal of 8378755392 is 2935578738.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378755393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277284 + ... + 306012.

Almost surely, 2^8378755392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8378755392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13310494080).

8378755392 is an abundant number, since it is smaller than the sum of its proper divisors (18242232768).

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

8378755392 is a wasteful number, since it uses less digits than its factorization.

8378755392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28789 (or 28772 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The square root of 8378755392 is about 91535.5416873686. The cubic root of 8378755392 is about 2031.0775412878.

The spelling of 8378755392 in words is "eight billion, three hundred seventy-eight million, seven hundred fifty-five thousand, three hundred ninety-two".