2798578788 has 24 divisors (see below), whose sum is σ = 6567767808. Its totient is φ = 927466656.

The previous prime is 2798578787. The next prime is 2798578823. The reversal of 2798578788 is 8878758972.

It is not an unprimeable number, because it can be changed into a prime (2798578781) 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, 671956 + ... + 676107.

It is an arithmetic number, because the mean of its divisors is an integer number (273656992).

Almost surely, 2^2798578788 is an apocalyptic number.

It is an amenable number.

2798578788 is an abundant number, since it is smaller than the sum of its proper divisors (3769189020).

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

2798578788 is a wasteful number, since it uses less digits than its factorization.

2798578788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348243 (or 1348241 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 69.

The square root of 2798578788 is about 52901.5953256610. The cubic root of 2798578788 is about 1409.2212368754.

The spelling of 2798578788 in words is "two billion, seven hundred ninety-eight million, five hundred seventy-eight thousand, seven hundred eighty-eight".