28880966903 has 2 divisors, whose sum is σ = 28880966904. Its totient is φ = 28880966902.

The previous prime is 28880966843. The next prime is 28880966923. The reversal of 28880966903 is 30966908882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28880966903 - 2¹⁰ = 28880965879 is a prime.

It is a super-2 number, since 2×28880966903² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28880966923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14440483451 + 14440483452.

It is an arithmetic number, because the mean of its divisors is an integer number (14440483452).

Almost surely, 2^28880966903 is an apocalyptic number.

28880966903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28880966903 is an equidigital number, since it uses as much as digits as its factorization.

28880966903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 28880966903 in words is "twenty-eight billion, eight hundred eighty million, nine hundred sixty-six thousand, nine hundred three".