28445120030671 has 2 divisors, whose sum is σ = 28445120030672. Its totient is φ = 28445120030670.

The previous prime is 28445120030651. The next prime is 28445120030681. The reversal of 28445120030671 is 17603002154482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28445120030671 - 2¹⁹ = 28445119506383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28445120030651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14222560015335 + 14222560015336.

It is an arithmetic number, because the mean of its divisors is an integer number (14222560015336).

Almost surely, 2^{28445120030671} is an apocalyptic number.

28445120030671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28445120030671 is an equidigital number, since it uses as much as digits as its factorization.

28445120030671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 28445120030671 in words is "twenty-eight trillion, four hundred forty-five billion, one hundred twenty million, thirty thousand, six hundred seventy-one".