28627441903 has 2 divisors, whose sum is σ = 28627441904. Its totient is φ = 28627441902.

The previous prime is 28627441853. The next prime is 28627441961. The reversal of 28627441903 is 30914472682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28627441903 - 2⁹ = 28627441391 is a prime.

It is a super-2 number, since 2×28627441903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28627444903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313720951 + 14313720952.

It is an arithmetic number, because the mean of its divisors is an integer number (14313720952).

Almost surely, 2^28627441903 is an apocalyptic number.

28627441903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28627441903 is an equidigital number, since it uses as much as digits as its factorization.

28627441903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 28627441903 in words is "twenty-eight billion, six hundred twenty-seven million, four hundred forty-one thousand, nine hundred three".