2771690456 has 8 divisors (see below), whose sum is σ = 5196919620. Its totient is φ = 1385845224.

The previous prime is 2771690437. The next prime is 2771690459. The reversal of 2771690456 is 6540961772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2771690456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771690459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173230646 + ... + 173230661.

Almost surely, 2^2771690456 is an apocalyptic number.

It is an amenable number.

2771690456 is a deficient number, since it is larger than the sum of its proper divisors (2425229164).

2771690456 is a wasteful number, since it uses less digits than its factorization.

2771690456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346461313 (or 346461309 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2771690456 is about 52646.8465912252. The cubic root of 2771690456 is about 1404.6935086240.

The spelling of 2771690456 in words is "two billion, seven hundred seventy-one million, six hundred ninety thousand, four hundred fifty-six".