2827807580778 has 32 divisors (see below), whose sum is σ = 5901593993856. Its totient is φ = 901607201088.

The previous prime is 2827807580771. The next prime is 2827807580791. The reversal of 2827807580778 is 8770857087282.

2827807580778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (2827807580771) 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, 18897300 + ... + 19046352.

It is an arithmetic number, because the mean of its divisors is an integer number (184424812308).

Almost surely, 2^{2827807580778} is an apocalyptic number.

2827807580778 is an abundant number, since it is smaller than the sum of its proper divisors (3073786413078).

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

2827807580778 is a wasteful number, since it uses less digits than its factorization.

2827807580778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286558.

The product of its (nonzero) digits is 196689920, while the sum is 69.

The spelling of 2827807580778 in words is "two trillion, eight hundred twenty-seven billion, eight hundred seven million, five hundred eighty thousand, seven hundred seventy-eight".