378788084 has 12 divisors (see below), whose sum is σ = 701872164. Its totient is φ = 178253184.

The previous prime is 378788029. The next prime is 378788107. The reversal of 378788084 is 480887873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 235315600 + 143472484 = 15340^2 + 11978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785139 + ... + 2785274.

It is an arithmetic number, because the mean of its divisors is an integer number (58489347).

Almost surely, 2^378788084 is an apocalyptic number.

378788084 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

378788084 is a deficient number, since it is larger than the sum of its proper divisors (323084080).

378788084 is a wasteful number, since it uses less digits than its factorization.

378788084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570434 (or 5570432 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 53.

The square root of 378788084 is about 19462.4788760322. The cubic root of 378788084 is about 723.5448157819.

The spelling of 378788084 in words is "three hundred seventy-eight million, seven hundred eighty-eight thousand, eighty-four".