2678751904 has 24 divisors (see below), whose sum is σ = 5333054580. Its totient is φ = 1324325376.

The previous prime is 2678751899. The next prime is 2678751941. The reversal of 2678751904 is 4091578762.

It can be written as a sum of positive squares in 2 ways, for example, as 2652250000 + 26501904 = 51500^2 + 5148^2 .

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, 467439 + ... + 473134.

Almost surely, 2^2678751904 is an apocalyptic number.

It is an amenable number.

2678751904 is a deficient number, since it is larger than the sum of its proper divisors (2654302676).

2678751904 is an equidigital number, since it uses as much as digits as its factorization.

2678751904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940672 (or 940664 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 2678751904 is about 51756.6604795943. The cubic root of 2678751904 is about 1388.8142509262.

The spelling of 2678751904 in words is "two billion, six hundred seventy-eight million, seven hundred fifty-one thousand, nine hundred four".