378576381636 has 48 divisors (see below), whose sum is σ = 982126756800. Its totient is φ = 126110814336.

The previous prime is 378576381629. The next prime is 378576381643. The reversal of 378576381636 is 636183675873.

378576381636 is a `hidden beast` number, since 378 + 5 + 76 + 38 + 163 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (378576381629) and next prime (378576381643).

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, 960846 + ... + 1296293.

It is an arithmetic number, because the mean of its divisors is an integer number (20460974100).

Almost surely, 2^378576381636 is an apocalyptic number.

378576381636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378576381636 is an abundant number, since it is smaller than the sum of its proper divisors (603550375164).

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

378576381636 is a wasteful number, since it uses less digits than its factorization.

378576381636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258705 (or 2258697 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 378576381636 in words is "three hundred seventy-eight billion, five hundred seventy-six million, three hundred eighty-one thousand, six hundred thirty-six".