2798586078 has 16 divisors (see below), whose sum is σ = 5626175376. Its totient is φ = 928028160.

The previous prime is 2798586041. The next prime is 2798586079. The reversal of 2798586078 is 8706858972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798586079) 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, 1207213 + ... + 1209528.

It is an arithmetic number, because the mean of its divisors is an integer number (351635961).

Almost surely, 2^2798586078 is an apocalyptic number.

2798586078 is an abundant number, since it is smaller than the sum of its proper divisors (2827589298).

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

2798586078 is a wasteful number, since it uses less digits than its factorization.

2798586078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416939.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The square root of 2798586078 is about 52901.6642271299. The cubic root of 2798586078 is about 1409.2224604981. Note that the first 3 decimals are identical.

The spelling of 2798586078 in words is "two billion, seven hundred ninety-eight million, five hundred eighty-six thousand, seventy-eight".