378777069216 has 576 divisors, whose sum is σ = 1379636084736. Its totient is φ = 95887411200.

The previous prime is 378777069197. The next prime is 378777069233. The reversal of 378777069216 is 612960777873.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103179061 + ... + 103182731.

It is an arithmetic number, because the mean of its divisors is an integer number (2395201536).

Almost surely, 2^378777069216 is an apocalyptic number.

378777069216 is a gapful number since it is divisible by the number (36) 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 378777069216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689818042368).

378777069216 is an abundant number, since it is smaller than the sum of its proper divisors (1000859015520).

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

378777069216 is a wasteful number, since it uses less digits than its factorization.

378777069216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 378777069216 in words is "three hundred seventy-eight billion, seven hundred seventy-seven million, sixty-nine thousand, two hundred sixteen".