378147798 has 96 divisors (see below), whose sum is σ = 983236320. Its totient is φ = 107412480.

The previous prime is 378147793. The next prime is 378147821. The reversal of 378147798 is 897741873.

378147798 is a `hidden beast` number, since 3 + 7 + 81 + 477 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378147793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637390 + ... + 637982.

It is an arithmetic number, because the mean of its divisors is an integer number (10242045).

Almost surely, 2^378147798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378147798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491618160).

378147798 is an abundant number, since it is smaller than the sum of its proper divisors (605088522).

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

378147798 is a wasteful number, since it uses less digits than its factorization.

378147798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 846 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 378147798 is about 19446.0226781725. The cubic root of 378147798 is about 723.1369035356.

The spelling of 378147798 in words is "three hundred seventy-eight million, one hundred forty-seven thousand, seven hundred ninety-eight".