2777772 has 12 divisors (see below), whose sum is σ = 6481496. Its totient is φ = 925920.

The previous prime is 2777771. The next prime is 2777813.

2777772 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2777772.

It is not an unprimeable number, because it can be changed into a prime (2777771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115729 + ... + 115752.

2^2777772 is an apocalyptic number.

It is an amenable number.

2777772 is an abundant number, since it is smaller than the sum of its proper divisors (3703724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2777772 is a wasteful number, since it uses less digits than its factorization.

2777772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231488 (or 231486 counting only the distinct ones).

The product of its digits is 67228, while the sum is 39.

The square root of 2777772 is about 1666.6649333324. The cubic root of 2777772 is about 140.5720134202.

The spelling of 2777772 in words is "two million, seven hundred seventy-seven thousand, seven hundred seventy-two".