378268770 has 64 divisors (see below), whose sum is σ = 992559744. Its totient is φ = 91499520.

The previous prime is 378268769. The next prime is 378268783. The reversal of 378268770 is 77862873.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194724 + ... + 196656.

It is an arithmetic number, because the mean of its divisors is an integer number (15508746).

Almost surely, 2^378268770 is an apocalyptic number.

378268770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378268770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496279872).

378268770 is an abundant number, since it is smaller than the sum of its proper divisors (614290974).

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

378268770 is a wasteful number, since it uses less digits than its factorization.

378268770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 378268770 is about 19449.1328855556. The cubic root of 378268770 is about 723.2140074186.

The spelling of 378268770 in words is "three hundred seventy-eight million, two hundred sixty-eight thousand, seven hundred seventy".