2782449092828 has 12 divisors (see below), whose sum is σ = 4869375292320. Its totient is φ = 1391199009312.

The previous prime is 2782449092777. The next prime is 2782449092879. The reversal of 2782449092828 is 8282909442872.

It is an interprime number because it is at equal distance from previous prime (2782449092777) and next prime (2782449092879).

It is a super-2 number, since 2×2782449092828² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138068 + ... + 6575771.

It is an arithmetic number, because the mean of its divisors is an integer number (405781274360).

Almost surely, 2^{2782449092828} is an apocalyptic number.

It is an amenable number.

2782449092828 is a deficient number, since it is larger than the sum of its proper divisors (2086926199492).

2782449092828 is a wasteful number, since it uses less digits than its factorization.

2782449092828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768556 (or 12768554 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 65.

The spelling of 2782449092828 in words is "two trillion, seven hundred eighty-two billion, four hundred forty-nine million, ninety-two thousand, eight hundred twenty-eight".