2770655671 has 4 divisors (see below), whose sum is σ = 3166463632. Its totient is φ = 2374847712.

The previous prime is 2770655669. The next prime is 2770655683. The reversal of 2770655671 is 1765560772.

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

It is a cyclic number.

It is not a de Polignac number, because 2770655671 - 2¹ = 2770655669 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 (2770655071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197903970 + ... + 197903983.

It is an arithmetic number, because the mean of its divisors is an integer number (791615908).

Almost surely, 2^2770655671 is an apocalyptic number.

2770655671 is a deficient number, since it is larger than the sum of its proper divisors (395807961).

2770655671 is an equidigital number, since it uses as much as digits as its factorization.

2770655671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395807960.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 2770655671 is about 52637.0180671360. The cubic root of 2770655671 is about 1404.5186770879.

The spelling of 2770655671 in words is "two billion, seven hundred seventy million, six hundred fifty-five thousand, six hundred seventy-one".