2780252795 has 4 divisors (see below), whose sum is σ = 3336303360. Its totient is φ = 2224202232.

The previous prime is 2780252789. The next prime is 2780252803. The reversal of 2780252795 is 5972520872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2780252795 - 2¹⁴ = 2780236411 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 278025275 + ... + 278025284.

It is an arithmetic number, because the mean of its divisors is an integer number (834075840).

Almost surely, 2^2780252795 is an apocalyptic number.

2780252795 is a deficient number, since it is larger than the sum of its proper divisors (556050565).

2780252795 is an equidigital number, since it uses as much as digits as its factorization.

2780252795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556050564.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2780252795 is about 52728.1025165898. The cubic root of 2780252795 is about 1406.1384869731.

The spelling of 2780252795 in words is "two billion, seven hundred eighty million, two hundred fifty-two thousand, seven hundred ninety-five".