378836445057 has 8 divisors (see below), whose sum is σ = 577274582976. Its totient is φ = 216477968592.

The previous prime is 378836445023. The next prime is 378836445067. The reversal of 378836445057 is 750544638873.

It is a happy number.

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

It is not a de Polignac number, because 378836445057 - 2⁶ = 378836444993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378836445067) 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 7 ways as a sum of consecutive naturals, for example, 9019915338 + ... + 9019915379.

It is an arithmetic number, because the mean of its divisors is an integer number (72159322872).

Almost surely, 2^378836445057 is an apocalyptic number.

It is an amenable number.

378836445057 is a deficient number, since it is larger than the sum of its proper divisors (198438137919).

378836445057 is a wasteful number, since it uses less digits than its factorization.

378836445057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039830727.

The product of its (nonzero) digits is 67737600, while the sum is 60.

The spelling of 378836445057 in words is "three hundred seventy-eight billion, eight hundred thirty-six million, four hundred forty-five thousand, fifty-seven".