2528865767 has 2 divisors, whose sum is σ = 2528865768. Its totient is φ = 2528865766.

The previous prime is 2528865739. The next prime is 2528865769. The reversal of 2528865767 is 7675688252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2528865767 - 2²⁰ = 2527817191 is a prime.

Together with 2528865769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528865769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264432883 + 1264432884.

It is an arithmetic number, because the mean of its divisors is an integer number (1264432884).

Almost surely, 2^2528865767 is an apocalyptic number.

2528865767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528865767 is an equidigital number, since it uses as much as digits as its factorization.

2528865767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11289600, while the sum is 56.

The square root of 2528865767 is about 50287.8292134389. The cubic root of 2528865767 is about 1362.4124150079.

The spelling of 2528865767 in words is "two billion, five hundred twenty-eight million, eight hundred sixty-five thousand, seven hundred sixty-seven".