8378032739512 has 8 divisors (see below), whose sum is σ = 15708811386600. Its totient is φ = 4189016369752.

The previous prime is 8378032739497. The next prime is 8378032739521. The reversal of 8378032739512 is 2159372308738.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523627046212 + ... + 523627046227.

It is an arithmetic number, because the mean of its divisors is an integer number (1963601423325).

Almost surely, 2^{8378032739512} is an apocalyptic number.

It is an amenable number.

8378032739512 is a deficient number, since it is larger than the sum of its proper divisors (7330778647088).

8378032739512 is a wasteful number, since it uses less digits than its factorization.

8378032739512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047254092445 (or 1047254092441 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 8378032739512 in words is "eight trillion, three hundred seventy-eight billion, thirty-two million, seven hundred thirty-nine thousand, five hundred twelve".