378917066880 has 1280 divisors, whose sum is σ = 1593658281600. Its totient is φ = 84801945600.

The previous prime is 378917066851. The next prime is 378917066903. The reversal of 378917066880 is 88660719873.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 444216534 + ... + 444217386.

Almost surely, 2^378917066880 is an apocalyptic number.

378917066880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378917066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796829140800).

378917066880 is an abundant number, since it is smaller than the sum of its proper divisors (1214741214720).

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

378917066880 is a wasteful number, since it uses less digits than its factorization.

378917066880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 378917066880 in words is "three hundred seventy-eight billion, nine hundred seventeen million, sixty-six thousand, eight hundred eighty".