378729297100 has 576 divisors, whose sum is σ = 1124728012800. Its totient is φ = 107122176000.

The previous prime is 378729297083. The next prime is 378729297143. The reversal of 378729297100 is 1792927873.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 191 ways as a sum of consecutive naturals, for example, 512488531 + ... + 512489269.

It is an arithmetic number, because the mean of its divisors is an integer number (1952652800).

Almost surely, 2^378729297100 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 378729297100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562364006400).

378729297100 is an abundant number, since it is smaller than the sum of its proper divisors (745998715700).

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

378729297100 is a wasteful number, since it uses less digits than its factorization.

378729297100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 378729297100 in words is "three hundred seventy-eight billion, seven hundred twenty-nine million, two hundred ninety-seven thousand, one hundred".