2785257824 has 12 divisors (see below), whose sum is σ = 5483476404. Its totient is φ = 1392628896.

The previous prime is 2785257779. The next prime is 2785257833. The reversal of 2785257824 is 4287525872.

It is a super-2 number, since 2×2785257824² = 15515322292306429952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43519622 + ... + 43519685.

It is an arithmetic number, because the mean of its divisors is an integer number (456956367).

Almost surely, 2^2785257824 is an apocalyptic number.

It is an amenable number.

2785257824 is a deficient number, since it is larger than the sum of its proper divisors (2698218580).

2785257824 is an equidigital number, since it uses as much as digits as its factorization.

2785257824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87039317 (or 87039309 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 50.

The square root of 2785257824 is about 52775.5419110027. The cubic root of 2785257824 is about 1406.9817610084.

The spelling of 2785257824 in words is "two billion, seven hundred eighty-five million, two hundred fifty-seven thousand, eight hundred twenty-four".