2766528788 has 6 divisors (see below), whose sum is σ = 4841425386. Its totient is φ = 1383264392.

The previous prime is 2766528781. The next prime is 2766528799. The reversal of 2766528788 is 8878256672.

It can be written as a sum of positive squares in only one way, i.e., 2753940484 + 12588304 = 52478^2 + 3548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766528781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345816095 + ... + 345816102.

It is an arithmetic number, because the mean of its divisors is an integer number (806904231).

Almost surely, 2^2766528788 is an apocalyptic number.

It is an amenable number.

2766528788 is a deficient number, since it is larger than the sum of its proper divisors (2074896598).

2766528788 is a wasteful number, since it uses less digits than its factorization.

2766528788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691632201 (or 691632199 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 59.

The square root of 2766528788 is about 52597.8021213815. The cubic root of 2766528788 is about 1403.8209885052.

The spelling of 2766528788 in words is "two billion, seven hundred sixty-six million, five hundred twenty-eight thousand, seven hundred eighty-eight".