378853851884 has 12 divisors (see below), whose sum is σ = 664725298944. Its totient is φ = 188932337904.

The previous prime is 378853851877. The next prime is 378853851913. The reversal of 378853851884 is 488158358873.

It is a super-3 number, since 3×378853851884³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123645287 + ... + 123648350.

It is an arithmetic number, because the mean of its divisors is an integer number (55393774912).

Almost surely, 2^378853851884 is an apocalyptic number.

It is an amenable number.

378853851884 is a deficient number, since it is larger than the sum of its proper divisors (285871447060).

378853851884 is a wasteful number, since it uses less digits than its factorization.

378853851884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247294024 (or 247294022 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 68.

The spelling of 378853851884 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, eight hundred fifty-one thousand, eight hundred eighty-four".