1178795394 has 48 divisors (see below), whose sum is σ = 2932081152. Its totient is φ = 335280384.

The previous prime is 1178795377. The next prime is 1178795413. The reversal of 1178795394 is 4935978711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1178795394.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7122 + ... + 49074.

It is an arithmetic number, because the mean of its divisors is an integer number (61085024).

Almost surely, 2^1178795394 is an apocalyptic number.

1178795394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178795394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466040576).

1178795394 is an abundant number, since it is smaller than the sum of its proper divisors (1753285758).

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

1178795394 is a wasteful number, since it uses less digits than its factorization.

1178795394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42191 (or 42188 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 1178795394 is about 34333.5898793004. The cubic root of 1178795394 is about 1056.3620971141.

The spelling of 1178795394 in words is "one billion, one hundred seventy-eight million, seven hundred ninety-five thousand, three hundred ninety-four".