28578052583519 has 2 divisors, whose sum is σ = 28578052583520. Its totient is φ = 28578052583518.

The previous prime is 28578052583513. The next prime is 28578052583653. The reversal of 28578052583519 is 91538525087582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28578052583519 - 2³² = 28573757616223 is a prime.

It is a super-2 number, since 2×28578052583519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28578052583513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14289026291759 + 14289026291760.

It is an arithmetic number, because the mean of its divisors is an integer number (14289026291760).

Almost surely, 2^{28578052583519} is an apocalyptic number.

28578052583519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28578052583519 is an equidigital number, since it uses as much as digits as its factorization.

28578052583519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920000, while the sum is 68.

The spelling of 28578052583519 in words is "twenty-eight trillion, five hundred seventy-eight billion, fifty-two million, five hundred eighty-three thousand, five hundred nineteen".