2766389025 has 24 divisors (see below), whose sum is σ = 4731482880. Its totient is φ = 1424530240.

The previous prime is 2766388997. The next prime is 2766389053. The reversal of 2766389025 is 5209836672.

It is an interprime number because it is at equal distance from previous prime (2766388997) and next prime (2766389053).

It is not a de Polignac number, because 2766389025 - 2⁵ = 2766388993 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 633777 + ... + 638126.

It is an arithmetic number, because the mean of its divisors is an integer number (197145120).

Almost surely, 2^2766389025 is an apocalyptic number.

2766389025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2766389025 is a deficient number, since it is larger than the sum of its proper divisors (1965093855).

2766389025 is a wasteful number, since it uses less digits than its factorization.

2766389025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271945 (or 1271940 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 2766389025 is about 52596.4735034584. The cubic root of 2766389025 is about 1403.7973481057.

The spelling of 2766389025 in words is "two billion, seven hundred sixty-six million, three hundred eighty-nine thousand, twenty-five".