2747138755 has 8 divisors (see below), whose sum is σ = 3296889072. Its totient is φ = 2197495968.

The previous prime is 2747138747. The next prime is 2747138759. The reversal of 2747138755 is 5578317472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2747138755 - 2³ = 2747138747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2747138699 and 2747138708.

It is not an unprimeable number, because it can be changed into a prime (2747138759) 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, 48597 + ... + 88633.

It is an arithmetic number, because the mean of its divisors is an integer number (412111134).

Almost surely, 2^2747138755 is an apocalyptic number.

2747138755 is a deficient number, since it is larger than the sum of its proper divisors (549750317).

2747138755 is a wasteful number, since it uses less digits than its factorization.

2747138755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53765.

The product of its digits is 1646400, while the sum is 49.

The square root of 2747138755 is about 52413.1544080301. The cubic root of 2747138755 is about 1400.5335984682.

The spelling of 2747138755 in words is "two billion, seven hundred forty-seven million, one hundred thirty-eight thousand, seven hundred fifty-five".