2808961764 has 24 divisors (see below), whose sum is σ = 7490564928. Its totient is φ = 802560480.

The previous prime is 2808961759. The next prime is 2808961777. The reversal of 2808961764 is 4671698082.

It is a super-2 number, since 2×2808961764² = 15780532383227983392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16719927 + ... + 16720094.

It is an arithmetic number, because the mean of its divisors is an integer number (312106872).

Almost surely, 2^2808961764 is an apocalyptic number.

It is an amenable number.

2808961764 is an abundant number, since it is smaller than the sum of its proper divisors (4681603164).

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

2808961764 is a wasteful number, since it uses less digits than its factorization.

2808961764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33440035 (or 33440033 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 2808961764 is about 52999.6392817913. The cubic root of 2808961764 is about 1410.9618646921.

The spelling of 2808961764 in words is "two billion, eight hundred eight million, nine hundred sixty-one thousand, seven hundred sixty-four".