2782115528 has 32 divisors (see below), whose sum is σ = 5242968000. Its totient is φ = 1384011072.

The previous prime is 2782115521. The next prime is 2782115537. The reversal of 2782115528 is 8255112872.

It is a super-2 number, since 2×2782115528² = 15480333622277437568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2782115521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795298 + ... + 1796846.

It is an arithmetic number, because the mean of its divisors is an integer number (163842750).

Almost surely, 2^2782115528 is an apocalyptic number.

It is an amenable number.

2782115528 is a deficient number, since it is larger than the sum of its proper divisors (2460852472).

2782115528 is a wasteful number, since it uses less digits than its factorization.

2782115528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2545 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 2782115528 is about 52745.7631284258. The cubic root of 2782115528 is about 1406.4524483304.

The spelling of 2782115528 in words is "two billion, seven hundred eighty-two million, one hundred fifteen thousand, five hundred twenty-eight".