2770206766 has 4 divisors (see below), whose sum is σ = 4155310152. Its totient is φ = 1385103382.

The previous prime is 2770206757. The next prime is 2770206767. The reversal of 2770206766 is 6676020772.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770206767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692551690 + ... + 692551693.

It is an arithmetic number, because the mean of its divisors is an integer number (1038827538).

Almost surely, 2^2770206766 is an apocalyptic number.

2770206766 is a deficient number, since it is larger than the sum of its proper divisors (1385103386).

2770206766 is a wasteful number, since it uses less digits than its factorization.

2770206766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385103385.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 2770206766 is about 52632.7537375730. The cubic root of 2770206766 is about 1404.4428190497.

The spelling of 2770206766 in words is "two billion, seven hundred seventy million, two hundred six thousand, seven hundred sixty-six".