28078497484759 has 2 divisors, whose sum is σ = 28078497484760. Its totient is φ = 28078497484758.

The previous prime is 28078497484733. The next prime is 28078497484847. The reversal of 28078497484759 is 95748479487082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28078497484759 - 2¹⁹ = 28078496960471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28078497481759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14039248742379 + 14039248742380.

It is an arithmetic number, because the mean of its divisors is an integer number (14039248742380).

Almost surely, 2^{28078497484759} is an apocalyptic number.

28078497484759 is a deficient number, since it is larger than the sum of its proper divisors (1).

28078497484759 is an equidigital number, since it uses as much as digits as its factorization.

28078497484759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9103933440, while the sum is 82.

The spelling of 28078497484759 in words is "twenty-eight trillion, seventy-eight billion, four hundred ninety-seven million, four hundred eighty-four thousand, seven hundred fifty-nine".