1178378080 has 96 divisors (see below), whose sum is σ = 3046286880. Its totient is φ = 427192320.

The previous prime is 1178378057. The next prime is 1178378087. The reversal of 1178378080 is 808738711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178378087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719022 + ... + 720658.

It is an arithmetic number, because the mean of its divisors is an integer number (31732155).

Almost surely, 2^1178378080 is an apocalyptic number.

1178378080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178378080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523143440).

1178378080 is an abundant number, since it is smaller than the sum of its proper divisors (1867908800).

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

1178378080 is a wasteful number, since it uses less digits than its factorization.

1178378080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 1178378080 is about 34327.5119983957. The cubic root of 1178378080 is about 1056.2374255707.

The spelling of 1178378080 in words is "one billion, one hundred seventy-eight million, three hundred seventy-eight thousand, eighty".