2766260247 has 16 divisors (see below), whose sum is σ = 3988403712. Its totient is φ = 1698761600.

The previous prime is 2766260197. The next prime is 2766260249. The reversal of 2766260247 is 7420626672.

It is a cyclic number.

It is not a de Polignac number, because 2766260247 - 2¹⁵ = 2766227479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2766260199 and 2766260208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766260249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574629 + ... + 579422.

It is an arithmetic number, because the mean of its divisors is an integer number (249275232).

Almost surely, 2^2766260247 is an apocalyptic number.

2766260247 is a deficient number, since it is larger than the sum of its proper divisors (1222143465).

2766260247 is a wasteful number, since it uses less digits than its factorization.

2766260247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154118.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 2766260247 is about 52595.2492816604. The cubic root of 2766260247 is about 1403.7755650740.

The spelling of 2766260247 in words is "two billion, seven hundred sixty-six million, two hundred sixty thousand, two hundred forty-seven".