5378661794 has 16 divisors (see below), whose sum is σ = 9006132960. Its totient is φ = 2387988960.

The previous prime is 5378661787. The next prime is 5378661817. The reversal of 5378661794 is 4971668735.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841899 + ... + 2843790.

It is an arithmetic number, because the mean of its divisors is an integer number (562883310).

Almost surely, 2^5378661794 is an apocalyptic number.

5378661794 is a deficient number, since it is larger than the sum of its proper divisors (3627471166).

5378661794 is a wasteful number, since it uses less digits than its factorization.

5378661794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685745.

The product of its digits is 7620480, while the sum is 56.

The square root of 5378661794 is about 73339.3604689869. The cubic root of 5378661794 is about 1752.0967297236.

The spelling of 5378661794 in words is "five billion, three hundred seventy-eight million, six hundred sixty-one thousand, seven hundred ninety-four".