5278664377 has 8 divisors (see below), whose sum is σ = 6036872192. Its totient is φ = 4521484800.

The previous prime is 5278664371. The next prime is 5278664393. The reversal of 5278664377 is 7734668725.

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

It is not a de Polignac number, because 5278664377 - 2¹¹ = 5278662329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278664371) 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, 246024 + ... + 266617.

It is an arithmetic number, because the mean of its divisors is an integer number (754609024).

Almost surely, 2^5278664377 is an apocalyptic number.

It is an amenable number.

5278664377 is a deficient number, since it is larger than the sum of its proper divisors (758207815).

5278664377 is a wasteful number, since it uses less digits than its factorization.

5278664377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514119.

The product of its digits is 11854080, while the sum is 55.

The square root of 5278664377 is about 72654.4174637716. The cubic root of 5278664377 is about 1741.1706985953.

The spelling of 5278664377 in words is "five billion, two hundred seventy-eight million, six hundred sixty-four thousand, three hundred seventy-seven".