2765025764 has 24 divisors (see below), whose sum is σ = 5022795960. Its totient is φ = 1330267904.

The previous prime is 2765025761. The next prime is 2765025797. The reversal of 2765025764 is 4675205672.

It can be written as a sum of positive squares in 4 ways, for example, as 1512432100 + 1252593664 = 38890^2 + 35392^2 .

It is not an unprimeable number, because it can be changed into a prime (2765025761) 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 7 ways as a sum of consecutive naturals, for example, 6689 + ... + 74664.

It is an arithmetic number, because the mean of its divisors is an integer number (209283165).

Almost surely, 2^2765025764 is an apocalyptic number.

It is an amenable number.

2765025764 is a deficient number, since it is larger than the sum of its proper divisors (2257770196).

2765025764 is a wasteful number, since it uses less digits than its factorization.

2765025764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81679 (or 81677 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 2765025764 is about 52583.5122828439. The cubic root of 2765025764 is about 1403.5667157295.

The spelling of 2765025764 in words is "two billion, seven hundred sixty-five million, twenty-five thousand, seven hundred sixty-four".