2825282778 has 32 divisors (see below), whose sum is σ = 5806831680. Its totient is φ = 915747840.

The previous prime is 2825282777. The next prime is 2825282807. The reversal of 2825282778 is 8772825282.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2825282778.

It is not an unprimeable number, because it can be changed into a prime (2825282777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516538 + ... + 521978.

It is an arithmetic number, because the mean of its divisors is an integer number (181463490).

Almost surely, 2^2825282778 is an apocalyptic number.

2825282778 is an abundant number, since it is smaller than the sum of its proper divisors (2981548902).

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

2825282778 is a wasteful number, since it uses less digits than its factorization.

2825282778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822.

The product of its digits is 2007040, while the sum is 51.

The square root of 2825282778 is about 53153.3891487645. The cubic root of 2825282778 is about 1413.6893102647.

The spelling of 2825282778 in words is "two billion, eight hundred twenty-five million, two hundred eighty-two thousand, seven hundred seventy-eight".