2775465875 has 72 divisors (see below), whose sum is σ = 4318056288. Its totient is φ = 1743955200.

The previous prime is 2775465859. The next prime is 2775465887. The reversal of 2775465875 is 5785645772.

It is not a de Polignac number, because 2775465875 - 2⁴ = 2775465859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2775465875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20258807 + ... + 20258943.

It is an arithmetic number, because the mean of its divisors is an integer number (59973004).

Almost surely, 2^2775465875 is an apocalyptic number.

2775465875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2775465875 is a deficient number, since it is larger than the sum of its proper divisors (1542590413).

2775465875 is an equidigital number, since it uses as much as digits as its factorization.

2775465875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 162 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 56.

The square root of 2775465875 is about 52682.6904685021. The cubic root of 2775465875 is about 1405.3310137284.

The spelling of 2775465875 in words is "two billion, seven hundred seventy-five million, four hundred sixty-five thousand, eight hundred seventy-five".