1192798878 has 8 divisors (see below), whose sum is σ = 2385597768. Its totient is φ = 397599624.

The previous prime is 1192798877. The next prime is 1192798907. The reversal of 1192798878 is 8788972911.

It is a sphenic number, since it is the product of 3 distinct primes.

1192798878 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192798877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99399901 + ... + 99399912.

It is an arithmetic number, because the mean of its divisors is an integer number (298199721).

Almost surely, 2^1192798878 is an apocalyptic number.

1192798878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1192798878 is a wasteful number, since it uses less digits than its factorization.

1192798878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198799818.

The product of its digits is 4064256, while the sum is 60.

The square root of 1192798878 is about 34536.9205054533. The cubic root of 1192798878 is about 1060.5286546575.

The spelling of 1192798878 in words is "one billion, one hundred ninety-two million, seven hundred ninety-eight thousand, eight hundred seventy-eight".