28110057671 has 2 divisors, whose sum is σ = 28110057672. Its totient is φ = 28110057670.

The previous prime is 28110057649. The next prime is 28110057697. The reversal of 28110057671 is 17675001182.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28110057671 - 2⁶ = 28110057607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28110057611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14055028835 + 14055028836.

It is an arithmetic number, because the mean of its divisors is an integer number (14055028836).

Almost surely, 2^28110057671 is an apocalyptic number.

28110057671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28110057671 is an equidigital number, since it uses as much as digits as its factorization.

28110057671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 28110057671 in words is "twenty-eight billion, one hundred ten million, fifty-seven thousand, six hundred seventy-one".