5278769894 has 8 divisors (see below), whose sum is σ = 7932632088. Its totient is φ = 2634559200.

The previous prime is 5278769893. The next prime is 5278769897. The reversal of 5278769894 is 4989678725.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5278769894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278769893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411507 + ... + 2413694.

It is an arithmetic number, because the mean of its divisors is an integer number (991579011).

Almost surely, 2^5278769894 is an apocalyptic number.

5278769894 is a deficient number, since it is larger than the sum of its proper divisors (2653862194).

5278769894 is a wasteful number, since it uses less digits than its factorization.

5278769894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825750.

The product of its digits is 60963840, while the sum is 65.

The square root of 5278769894 is about 72655.1436169525. The cubic root of 5278769894 is about 1741.1823001339.

The spelling of 5278769894 in words is "five billion, two hundred seventy-eight million, seven hundred sixty-nine thousand, eight hundred ninety-four".