378683022305 has 32 divisors (see below), whose sum is σ = 539934336000. Its totient is φ = 254768894016.

The previous prime is 378683022301. The next prime is 378683022373. The reversal of 378683022305 is 503220386873.

It is not a de Polignac number, because 378683022305 - 2² = 378683022301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378683022305.

It is not an unprimeable number, because it can be changed into a prime (378683022301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1992185 + ... + 2173974.

It is an arithmetic number, because the mean of its divisors is an integer number (16872948000).

Almost surely, 2^378683022305 is an apocalyptic number.

378683022305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378683022305 is a deficient number, since it is larger than the sum of its proper divisors (161251313695).

378683022305 is an equidigital number, since it uses as much as digits as its factorization.

378683022305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166238 (or 4166224 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 378683022305 in words is "three hundred seventy-eight billion, six hundred eighty-three million, twenty-two thousand, three hundred five".