28242860623 has 2 divisors, whose sum is σ = 28242860624. Its totient is φ = 28242860622.

The previous prime is 28242860587. The next prime is 28242860629. The reversal of 28242860623 is 32606824282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28242860623 - 2¹³ = 28242852431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28242860623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28242860629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121430311 + 14121430312.

It is an arithmetic number, because the mean of its divisors is an integer number (14121430312).

Almost surely, 2^28242860623 is an apocalyptic number.

28242860623 is a deficient number, since it is larger than the sum of its proper divisors (1).

28242860623 is an equidigital number, since it uses as much as digits as its factorization.

28242860623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 28242860623 in words is "twenty-eight billion, two hundred forty-two million, eight hundred sixty thousand, six hundred twenty-three".