378853662858 has 32 divisors (see below), whose sum is σ = 829573928640. Its totient is φ = 114389679360.

The previous prime is 378853662851. The next prime is 378853662883. The reversal of 378853662858 is 858266358873.

It is a junction number, because it is equal to n+sod(n) for n = 378853662792 and 378853662801.

It is not an unprimeable number, because it can be changed into a prime (378853662851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10343103 + ... + 10379666.

It is an arithmetic number, because the mean of its divisors is an integer number (25924185270).

Almost surely, 2^378853662858 is an apocalyptic number.

378853662858 is an abundant number, since it is smaller than the sum of its proper divisors (450720265782).

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

378853662858 is a wasteful number, since it uses less digits than its factorization.

378853662858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20723062.

The product of its digits is 464486400, while the sum is 69.

The spelling of 378853662858 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, six hundred sixty-two thousand, eight hundred fifty-eight".