2502775785 has 32 divisors (see below), whose sum is σ = 4255759872. Its totient is φ = 1251624960.

The previous prime is 2502775783. The next prime is 2502775787. The reversal of 2502775785 is 5875772052.

It is an interprime number because it is at equal distance from previous prime (2502775783) and next prime (2502775787).

It is not a de Polignac number, because 2502775785 - 2¹ = 2502775783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502775783) 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 31 ways as a sum of consecutive naturals, for example, 50997 + ... + 87213.

It is an arithmetic number, because the mean of its divisors is an integer number (132992496).

Almost surely, 2^2502775785 is an apocalyptic number.

It is an amenable number.

2502775785 is a deficient number, since it is larger than the sum of its proper divisors (1752984087).

2502775785 is a wasteful number, since it uses less digits than its factorization.

2502775785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36513.

The product of its (nonzero) digits is 1372000, while the sum is 48.

The square root of 2502775785 is about 50027.7501492921. The cubic root of 2502775785 is about 1357.7109318186.

The spelling of 2502775785 in words is "two billion, five hundred two million, seven hundred seventy-five thousand, seven hundred eighty-five".