7078178380 has 144 divisors (see below), whose sum is σ = 19018855296. Its totient is φ = 2192279040.

The previous prime is 7078178353. The next prime is 7078178381. The reversal of 7078178380 is 838718707.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (7078178381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 592870 + ... + 604690.

It is an arithmetic number, because the mean of its divisors is an integer number (132075384).

Almost surely, 2^7078178380 is an apocalyptic number.

7078178380 is a gapful number since it is divisible by the number (70) 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 7078178380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9509427648).

7078178380 is an abundant number, since it is smaller than the sum of its proper divisors (11940676916).

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

7078178380 is a wasteful number, since it uses less digits than its factorization.

7078178380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11904 (or 11895 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 7078178380 is about 84131.9105928304. The cubic root of 7078178380 is about 1920.0262565130.

The spelling of 7078178380 in words is "seven billion, seventy-eight million, one hundred seventy-eight thousand, three hundred eighty".