2252781777 has 16 divisors (see below), whose sum is σ = 3087967680. Its totient is φ = 1459987200.

The previous prime is 2252781733. The next prime is 2252781781. The reversal of 2252781777 is 7771872522.

It is not a de Polignac number, because 2252781777 - 2⁸ = 2252781521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2252781787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974 + ... + 67152.

It is an arithmetic number, because the mean of its divisors is an integer number (192997980).

Almost surely, 2^2252781777 is an apocalyptic number.

It is an amenable number.

2252781777 is a deficient number, since it is larger than the sum of its proper divisors (835185903).

2252781777 is a wasteful number, since it uses less digits than its factorization.

2252781777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65504.

The product of its digits is 768320, while the sum is 48.

The square root of 2252781777 is about 47463.4783491476. The cubic root of 2252781777 is about 1310.9104982707.

The spelling of 2252781777 in words is "two billion, two hundred fifty-two million, seven hundred eighty-one thousand, seven hundred seventy-seven".