378763903780 has 12 divisors (see below), whose sum is σ = 795404197980. Its totient is φ = 151505561504.

The previous prime is 378763903759. The next prime is 378763903783. The reversal of 378763903780 is 87309367873.

It can be written as a sum of positive squares in 2 ways, for example, as 264070598884 + 114693304896 = 513878^2 + 338664^2 .

It is not an unprimeable number, because it can be changed into a prime (378763903783) 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, 9469097575 + ... + 9469097614.

It is an arithmetic number, because the mean of its divisors is an integer number (66283683165).

Almost surely, 2^378763903780 is an apocalyptic number.

It is an amenable number.

378763903780 is an abundant number, since it is smaller than the sum of its proper divisors (416640294200).

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

378763903780 is a wasteful number, since it uses less digits than its factorization.

378763903780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938195198 (or 18938195196 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 378763903780 in words is "three hundred seventy-eight billion, seven hundred sixty-three million, nine hundred three thousand, seven hundred eighty".