28135077653 has 2 divisors, whose sum is σ = 28135077654. Its totient is φ = 28135077652.

The previous prime is 28135077587. The next prime is 28135077671. The reversal of 28135077653 is 35677053182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25786899889 + 2348177764 = 160583^2 + 48458^2 .

It is a cyclic number.

It is not a de Polignac number, because 28135077653 - 2¹⁶ = 28135012117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28135077598 and 28135077607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28135077683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067538826 + 14067538827.

It is an arithmetic number, because the mean of its divisors is an integer number (14067538827).

Almost surely, 2^28135077653 is an apocalyptic number.

It is an amenable number.

28135077653 is a deficient number, since it is larger than the sum of its proper divisors (1).

28135077653 is an equidigital number, since it uses as much as digits as its factorization.

28135077653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 28135077653 in words is "twenty-eight billion, one hundred thirty-five million, seventy-seven thousand, six hundred fifty-three".