1378776636282 has 16 divisors (see below), whose sum is σ = 2757588989760. Its totient is φ = 459586259232.

The previous prime is 1378776636257. The next prime is 1378776636283. The reversal of 1378776636282 is 2826366778731.

It is not an unprimeable number, because it can be changed into a prime (1378776636283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972643 + ... + 1924470.

It is an arithmetic number, because the mean of its divisors is an integer number (172349311860).

Almost surely, 2^{1378776636282} is an apocalyptic number.

1378776636282 is an abundant number, since it is smaller than the sum of its proper divisors (1378812353478).

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

1378776636282 is a wasteful number, since it uses less digits than its factorization.

1378776636282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976437.

The product of its digits is 170698752, while the sum is 66.

The spelling of 1378776636282 in words is "one trillion, three hundred seventy-eight billion, seven hundred seventy-six million, six hundred thirty-six thousand, two hundred eighty-two".