2578090748 has 6 divisors (see below), whose sum is σ = 4511658816. Its totient is φ = 1289045372.

The previous prime is 2578090747. The next prime is 2578090759. The reversal of 2578090748 is 8470908752.

It is a junction number, because it is equal to n+sod(n) for n = 2578090696 and 2578090705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578090747) 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 as a sum of consecutive naturals, namely, 322261340 + ... + 322261347.

It is an arithmetic number, because the mean of its divisors is an integer number (751943136).

Almost surely, 2^2578090748 is an apocalyptic number.

It is an amenable number.

2578090748 is a deficient number, since it is larger than the sum of its proper divisors (1933568068).

2578090748 is a wasteful number, since it uses less digits than its factorization.

2578090748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644522691 (or 644522689 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 2578090748 is about 50774.9027374745. The cubic root of 2578090748 is about 1371.1955656580.

The spelling of 2578090748 in words is "two billion, five hundred seventy-eight million, ninety thousand, seven hundred forty-eight".