1324763978 has 12 divisors (see below), whose sum is σ = 1999169718. Its totient is φ = 658378080.

The previous prime is 1324763977. The next prime is 1324764011. The reversal of 1324763978 is 8793674231.

It can be written as a sum of positive squares in 3 ways, for example, as 1197367609 + 127396369 = 34603^2 + 11287^2 .

It is not an unprimeable number, because it can be changed into a prime (1324763977) 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 5 ways as a sum of consecutive naturals, for example, 691550 + ... + 693462.

Almost surely, 2^1324763978 is an apocalyptic number.

1324763978 is a deficient number, since it is larger than the sum of its proper divisors (674405740).

1324763978 is an frugal number, since it uses more digits than its factorization.

1324763978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 2096 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 1324763978 is about 36397.3072905126. The cubic root of 1324763978 is about 1098.2793976680.

The spelling of 1324763978 in words is "one billion, three hundred twenty-four million, seven hundred sixty-three thousand, nine hundred seventy-eight".