28455637271 has 2 divisors, whose sum is σ = 28455637272. Its totient is φ = 28455637270.

The previous prime is 28455637247. The next prime is 28455637307. The reversal of 28455637271 is 17273655482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28455637271 - 2¹⁴ = 28455620887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28455634271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14227818635 + 14227818636.

It is an arithmetic number, because the mean of its divisors is an integer number (14227818636).

Almost surely, 2^28455637271 is an apocalyptic number.

28455637271 is a deficient number, since it is larger than the sum of its proper divisors (1).

28455637271 is an equidigital number, since it uses as much as digits as its factorization.

28455637271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 50.

The spelling of 28455637271 in words is "twenty-eight billion, four hundred fifty-five million, six hundred thirty-seven thousand, two hundred seventy-one".