1146778823698 has 8 divisors (see below), whose sum is σ = 1720181873340. Its totient is φ = 573384865920.

The previous prime is 1146778823689. The next prime is 1146778823699. The reversal of 1146778823698 is 8963288776411.

It can be written as a sum of positive squares in 2 ways, for example, as 1141514885889 + 5263937809 = 1068417^2 + 72553^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1146778823699) 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 3 ways as a sum of consecutive naturals, for example, 1948363 + ... + 2467726.

Almost surely, 2^{1146778823698} is an apocalyptic number.

1146778823698 is a deficient number, since it is larger than the sum of its proper divisors (573403049642).

1146778823698 is a wasteful number, since it uses less digits than its factorization.

1146778823698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545932.

The product of its digits is 195084288, while the sum is 70.

The spelling of 1146778823698 in words is "one trillion, one hundred forty-six billion, seven hundred seventy-eight million, eight hundred twenty-three thousand, six hundred ninety-eight".