378904410961 has 8 divisors (see below), whose sum is σ = 398884282880. Its totient is φ = 358928292528.

The previous prime is 378904410949. The next prime is 378904411003. The reversal of 378904410961 is 169014409873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378904410961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378904410899 and 378904410908.

It is not an unprimeable number, because it can be changed into a prime (378904410901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729966 + ... + 1136071.

It is an arithmetic number, because the mean of its divisors is an integer number (49860535360).

Almost surely, 2^378904410961 is an apocalyptic number.

It is an amenable number.

378904410961 is a deficient number, since it is larger than the sum of its proper divisors (19979871919).

378904410961 is a wasteful number, since it uses less digits than its factorization.

378904410961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876743.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 378904410961 in words is "three hundred seventy-eight billion, nine hundred four million, four hundred ten thousand, nine hundred sixty-one".