28482219977 has 2 divisors, whose sum is σ = 28482219978. Its totient is φ = 28482219976.

The previous prime is 28482219949. The next prime is 28482220001. The reversal of 28482219977 is 77991228482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28465088656 + 17131321 = 168716^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 28482219977 - 2¹⁰ = 28482218953 is a prime.

It is a super-2 number, since 2×28482219977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28482219907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241109988 + 14241109989.

It is an arithmetic number, because the mean of its divisors is an integer number (14241109989).

Almost surely, 2^28482219977 is an apocalyptic number.

It is an amenable number.

28482219977 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482219977 is an equidigital number, since it uses as much as digits as its factorization.

28482219977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 59.

The spelling of 28482219977 in words is "twenty-eight billion, four hundred eighty-two million, two hundred nineteen thousand, nine hundred seventy-seven".