28733942061 has 24 divisors (see below), whose sum is σ = 45467210880. Its totient is φ = 17341632000.

The previous prime is 28733942047. The next prime is 28733942063. The reversal of 28733942061 is 16024933782.

It is not a de Polignac number, because 28733942061 - 2⁹ = 28733941549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28733941998 and 28733942016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28733942063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583540 + ... + 630861.

It is an arithmetic number, because the mean of its divisors is an integer number (1894467120).

Almost surely, 2^28733942061 is an apocalyptic number.

It is an amenable number.

28733942061 is a deficient number, since it is larger than the sum of its proper divisors (16733268819).

28733942061 is a wasteful number, since it uses less digits than its factorization.

28733942061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214657 (or 1214654 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 28733942061 in words is "twenty-eight billion, seven hundred thirty-three million, nine hundred forty-two thousand, sixty-one".