378897378 has 8 divisors (see below), whose sum is σ = 757794768. Its totient is φ = 126299124.

The previous prime is 378897367. The next prime is 378897391. The reversal of 378897378 is 873798873.

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

378897378 is an admirable number.

It is a Curzon number.

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, 31574776 + ... + 31574787.

It is an arithmetic number, because the mean of its divisors is an integer number (94724346).

Almost surely, 2^378897378 is an apocalyptic number.

378897378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378897378 is a wasteful number, since it uses less digits than its factorization.

378897378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63149568.

The product of its digits is 14224896, while the sum is 60.

The square root of 378897378 is about 19465.2864864610. The cubic root of 378897378 is about 723.6143986664.

The spelling of 378897378 in words is "three hundred seventy-eight million, eight hundred ninety-seven thousand, three hundred seventy-eight".