2528877338 has 16 divisors (see below), whose sum is σ = 4107686856. Its totient is φ = 1160723520.

The previous prime is 2528877287. The next prime is 2528877367. The reversal of 2528877338 is 8337788252.

It can be written as a sum of positive squares in 4 ways, for example, as 488277409 + 2040599929 = 22097^2 + 45173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2528877338.

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, 263981 + ... + 273392.

Almost surely, 2^2528877338 is an apocalyptic number.

2528877338 is a deficient number, since it is larger than the sum of its proper divisors (1578809518).

2528877338 is a wasteful number, since it uses less digits than its factorization.

2528877338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537569.

The product of its digits is 4515840, while the sum is 53.

The square root of 2528877338 is about 50287.9442610254. The cubic root of 2528877338 is about 1362.4144929421.

The spelling of 2528877338 in words is "two billion, five hundred twenty-eight million, eight hundred seventy-seven thousand, three hundred thirty-eight".