5127777797 has 12 divisors (see below), whose sum is σ = 5347245420. Its totient is φ = 4916738880.

The previous prime is 5127777773. The next prime is 5127777827. The reversal of 5127777797 is 7977777215.

It can be written as a sum of positive squares in 2 ways, for example, as 2997124516 + 2130653281 = 54746^2 + 46159^2 .

It is not a de Polignac number, because 5127777797 - 2¹² = 5127773701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127777197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80273 + ... + 129225.

It is an arithmetic number, because the mean of its divisors is an integer number (445603785).

Almost surely, 2^5127777797 is an apocalyptic number.

It is an amenable number.

5127777797 is a deficient number, since it is larger than the sum of its proper divisors (219467623).

5127777797 is a wasteful number, since it uses less digits than its factorization.

5127777797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49124 (or 49093 counting only the distinct ones).

The product of its digits is 10588410, while the sum is 59.

The square root of 5127777797 is about 71608.5036640202. The cubic root of 5127777797 is about 1724.4200581586.

The spelling of 5127777797 in words is "five billion, one hundred twenty-seven million, seven hundred seventy-seven thousand, seven hundred ninety-seven".