28302057061 has 4 divisors (see below), whose sum is σ = 28524908032. Its totient is φ = 28079206092.

The previous prime is 28302057053. The next prime is 28302057137. The reversal of 28302057061 is 16075020382.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16075020382 = 2 ⋅8037510191.

It is a cyclic number.

It is not a de Polignac number, because 28302057061 - 2³ = 28302057053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28302057001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111425295 + ... + 111425548.

It is an arithmetic number, because the mean of its divisors is an integer number (7131227008).

Almost surely, 2^28302057061 is an apocalyptic number.

It is an amenable number.

28302057061 is a deficient number, since it is larger than the sum of its proper divisors (222850971).

28302057061 is a wasteful number, since it uses less digits than its factorization.

28302057061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222850970.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 28302057061 in words is "twenty-eight billion, three hundred two million, fifty-seven thousand, sixty-one".