2528748279 has 18 divisors (see below), whose sum is σ = 3670611048. Its totient is φ = 1677576600.

The previous prime is 2528748241. The next prime is 2528748307. The reversal of 2528748279 is 9728478252.

2528748279 is a `hidden beast` number, since 2 + 528 + 7 + 48 + 2 + 79 = 666.

It is not a de Polignac number, because 2528748279 - 2⁸ = 2528748023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528748479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 397534 + ... + 403844.

It is an arithmetic number, because the mean of its divisors is an integer number (203922836).

Almost surely, 2^2528748279 is an apocalyptic number.

2528748279 is a deficient number, since it is larger than the sum of its proper divisors (1141862769).

2528748279 is an equidigital number, since it uses as much as digits as its factorization.

2528748279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739 (or 6525 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2528748279 is about 50286.6610444559. The cubic root of 2528748279 is about 1362.3913160116.

The spelling of 2528748279 in words is "two billion, five hundred twenty-eight million, seven hundred forty-eight thousand, two hundred seventy-nine".