2578764332 has 12 divisors (see below), whose sum is σ = 4668452880. Its totient is φ = 1244920656.

The previous prime is 2578764317. The next prime is 2578764359. The reversal of 2578764332 is 2334678752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11115248 + ... + 11115479.

It is an arithmetic number, because the mean of its divisors is an integer number (389037740).

Almost surely, 2^2578764332 is an apocalyptic number.

It is an amenable number.

2578764332 is a deficient number, since it is larger than the sum of its proper divisors (2089688548).

2578764332 is a wasteful number, since it uses less digits than its factorization.

2578764332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22230760 (or 22230758 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The square root of 2578764332 is about 50781.5353450445. The cubic root of 2578764332 is about 1371.3149737856.

The spelling of 2578764332 in words is "two billion, five hundred seventy-eight million, seven hundred sixty-four thousand, three hundred thirty-two".