378220670 has 16 divisors (see below), whose sum is σ = 681739200. Its totient is φ = 151078944.

The previous prime is 378220657. The next prime is 378220673. The reversal of 378220670 is 76022873.

It is a self number, because there is not a number n which added to its sum of digits gives 378220670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378220673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18470 + ... + 33129.

It is an arithmetic number, because the mean of its divisors is an integer number (42608700).

Almost surely, 2^378220670 is an apocalyptic number.

378220670 is a deficient number, since it is larger than the sum of its proper divisors (303518530).

378220670 is a wasteful number, since it uses less digits than its factorization.

378220670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52339.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 378220670 is about 19447.8962872595. The cubic root of 378220670 is about 723.1833519067.

The spelling of 378220670 in words is "three hundred seventy-eight million, two hundred twenty thousand, six hundred seventy".