378855076688 has 80 divisors (see below), whose sum is σ = 835837681536. Its totient is φ = 164668331520.

The previous prime is 378855076687. The next prime is 378855076759. The reversal of 378855076688 is 886670558873.

It is a super-2 number, since 2×378855076688² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378855076687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14871770 + ... + 14897222.

Almost surely, 2^378855076688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378855076688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417918840768).

378855076688 is an abundant number, since it is smaller than the sum of its proper divisors (456982604848).

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

378855076688 is a wasteful number, since it uses less digits than its factorization.

378855076688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29172 (or 29166 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 71.

The spelling of 378855076688 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, seventy-six thousand, six hundred eighty-eight".