378861662600 has 96 divisors (see below), whose sum is σ = 921231126720. Its totient is φ = 144627774720.

The previous prime is 378861662591. The next prime is 378861662659. The reversal of 378861662600 is 6266168873.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1944842 + ... + 2130758.

It is an arithmetic number, because the mean of its divisors is an integer number (9596157570).

Almost surely, 2^378861662600 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 378861662600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460615563360).

378861662600 is an abundant number, since it is smaller than the sum of its proper divisors (542369464120).

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

378861662600 is a wasteful number, since it uses less digits than its factorization.

378861662600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186399 (or 186390 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 378861662600 in words is "three hundred seventy-eight billion, eight hundred sixty-one million, six hundred sixty-two thousand, six hundred".