378828873 has 8 divisors (see below), whose sum is σ = 561228000. Its totient is φ = 252552564.

The previous prime is 378828847. The next prime is 378828887.

It is a happy number.

378828873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 378828873 - 2⁵ = 378828841 is a prime.

It is a super-2 number, since 2×378828873² = 287022630036900258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378828803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015323 + ... + 7015376.

It is an arithmetic number, because the mean of its divisors is an integer number (70153500).

Almost surely, 2^378828873 is an apocalyptic number.

It is an amenable number.

378828873 is a deficient number, since it is larger than the sum of its proper divisors (182399127).

378828873 is a wasteful number, since it uses less digits than its factorization.

378828873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030708 (or 14030702 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 378828873 is about 19463.5267359233. The cubic root of 378828873 is about 723.5707859848.

The spelling of 378828873 in words is "three hundred seventy-eight million, eight hundred twenty-eight thousand, eight hundred seventy-three".