1195378782 has 64 divisors (see below), whose sum is σ = 2695956480. Its totient is φ = 350792064.

The previous prime is 1195378771. The next prime is 1195378813. The reversal of 1195378782 is 2878735911.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184563 + ... + 190929.

It is an arithmetic number, because the mean of its divisors is an integer number (42124320).

Almost surely, 2^1195378782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1195378782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347978240).

1195378782 is an abundant number, since it is smaller than the sum of its proper divisors (1500577698).

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

1195378782 is a wasteful number, since it uses less digits than its factorization.

1195378782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497.

The product of its digits is 846720, while the sum is 51.

The square root of 1195378782 is about 34574.2502738671. The cubic root of 1195378782 is about 1061.2927096675.

The spelling of 1195378782 in words is "one billion, one hundred ninety-five million, three hundred seventy-eight thousand, seven hundred eighty-two".