2782828257575 has 24 divisors (see below), whose sum is σ = 3484728556848. Its totient is φ = 2204334414080.

The previous prime is 2782828257563. The next prime is 2782828257577. The reversal of 2782828257575 is 5757528282872.

It is not a de Polignac number, because 2782828257575 - 2²⁴ = 2782811480359 is a prime.

It is a super-2 number, since 2×2782828257575² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782828257577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014139 + ... + 5541411.

It is an arithmetic number, because the mean of its divisors is an integer number (145197023202).

Almost surely, 2^{2782828257575} is an apocalyptic number.

2782828257575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2782828257575 is a deficient number, since it is larger than the sum of its proper divisors (701900299273).

2782828257575 is a wasteful number, since it uses less digits than its factorization.

2782828257575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529363 (or 529358 counting only the distinct ones).

The product of its digits is 351232000, while the sum is 68.

It can be divided in two parts, 2782828 and 257575, that added together give a palindrome (3040403).

The spelling of 2782828257575 in words is "two trillion, seven hundred eighty-two billion, eight hundred twenty-eight million, two hundred fifty-seven thousand, five hundred seventy-five".