378853515076 has 48 divisors (see below), whose sum is σ = 684353819520. Its totient is φ = 183396960000.

The previous prime is 378853515017. The next prime is 378853515107. The reversal of 378853515076 is 670515358873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378853515076.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26267395 + ... + 26281813.

It is an arithmetic number, because the mean of its divisors is an integer number (14257371240).

Almost surely, 2^378853515076 is an apocalyptic number.

It is an amenable number.

378853515076 is a deficient number, since it is larger than the sum of its proper divisors (305500304444).

378853515076 is a wasteful number, since it uses less digits than its factorization.

378853515076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676 (or 15674 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 378853515076 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, five hundred fifteen thousand, seventy-six".