2567065765 has 16 divisors (see below), whose sum is σ = 3506633856. Its totient is φ = 1785784000.

The previous prime is 2567065727. The next prime is 2567065777. The reversal of 2567065765 is 5675607652.

It is not a de Polignac number, because 2567065765 - 2²⁵ = 2533511333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013386 + ... + 1015915.

It is an arithmetic number, because the mean of its divisors is an integer number (219164616).

Almost surely, 2^2567065765 is an apocalyptic number.

It is an amenable number.

2567065765 is a deficient number, since it is larger than the sum of its proper divisors (939568091).

2567065765 is a wasteful number, since it uses less digits than its factorization.

2567065765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029340.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The square root of 2567065765 is about 50666.2191701729. The cubic root of 2567065765 is about 1369.2381728876.

The spelling of 2567065765 in words is "two billion, five hundred sixty-seven million, sixty-five thousand, seven hundred sixty-five".