1196036778 has 16 divisors (see below), whose sum is σ = 2405291616. Its totient is φ = 396475920.

The previous prime is 1196036773. The next prime is 1196036801. The reversal of 1196036778 is 8776306911.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1196036773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549576 + ... + 551747.

It is an arithmetic number, because the mean of its divisors is an integer number (150330726).

Almost surely, 2^1196036778 is an apocalyptic number.

1196036778 is an abundant number, since it is smaller than the sum of its proper divisors (1209254838).

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

1196036778 is a wasteful number, since it uses less digits than its factorization.

1196036778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101509.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1196036778 is about 34583.7646591576. The cubic root of 1196036778 is about 1061.4874033987.

The spelling of 1196036778 in words is "one billion, one hundred ninety-six million, thirty-six thousand, seven hundred seventy-eight".