4927797278 has 4 divisors (see below), whose sum is σ = 7391695920. Its totient is φ = 2463898638.

The previous prime is 4927797227. The next prime is 4927797289. The reversal of 4927797278 is 8727977294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4927797278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231949318 + ... + 1231949321.

It is an arithmetic number, because the mean of its divisors is an integer number (1847923980).

Almost surely, 2^4927797278 is an apocalyptic number.

4927797278 is a deficient number, since it is larger than the sum of its proper divisors (2463898642).

4927797278 is a wasteful number, since it uses less digits than its factorization.

4927797278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463898641.

The product of its digits is 24893568, while the sum is 62.

The square root of 4927797278 is about 70198.2711895386. The cubic root of 4927797278 is about 1701.7050111905.

The spelling of 4927797278 in words is "four billion, nine hundred twenty-seven million, seven hundred ninety-seven thousand, two hundred seventy-eight".