28302805975 has 6 divisors (see below), whose sum is σ = 35095479440. Its totient is φ = 22642244760.

The previous prime is 28302805957. The next prime is 28302806003. The reversal of 28302805975 is 57950820382.

It is not a de Polignac number, because 28302805975 - 2⁹ = 28302805463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566056095 + ... + 566056144.

Almost surely, 2^28302805975 is an apocalyptic number.

28302805975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28302805975 is a deficient number, since it is larger than the sum of its proper divisors (6792673465).

28302805975 is a wasteful number, since it uses less digits than its factorization.

28302805975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132112249 (or 1132112244 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 28302805975 in words is "twenty-eight billion, three hundred two million, eight hundred five thousand, nine hundred seventy-five".