2578788364 has 36 divisors (see below), whose sum is σ = 4602059280. Its totient is φ = 1264383360.

The previous prime is 2578788353. The next prime is 2578788379. The reversal of 2578788364 is 4638878752.

It is a junction number, because it is equal to n+sod(n) for n = 2578788299 and 2578788308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6629082 + ... + 6629470.

It is an arithmetic number, because the mean of its divisors is an integer number (127834980).

Almost surely, 2^2578788364 is an apocalyptic number.

It is an amenable number.

2578788364 is a deficient number, since it is larger than the sum of its proper divisors (2023270916).

2578788364 is a wasteful number, since it uses less digits than its factorization.

2578788364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 775 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 58.

The square root of 2578788364 is about 50781.7719659328. The cubic root of 2578788364 is about 1371.3192336216.

The spelling of 2578788364 in words is "two billion, five hundred seventy-eight million, seven hundred eighty-eight thousand, three hundred sixty-four".