28025092477 has 2 divisors, whose sum is σ = 28025092478. Its totient is φ = 28025092476.

The previous prime is 28025092457. The next prime is 28025092483. The reversal of 28025092477 is 77429052082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14713932601 + 13311159876 = 121301^2 + 115374^2 .

It is a cyclic number.

It is not a de Polignac number, because 28025092477 - 2⁷ = 28025092349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28025092427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012546238 + 14012546239.

It is an arithmetic number, because the mean of its divisors is an integer number (14012546239).

Almost surely, 2^28025092477 is an apocalyptic number.

It is an amenable number.

28025092477 is a deficient number, since it is larger than the sum of its proper divisors (1).

28025092477 is an equidigital number, since it uses as much as digits as its factorization.

28025092477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 28025092477 in words is "twenty-eight billion, twenty-five million, ninety-two thousand, four hundred seventy-seven".