28545804751 has 2 divisors, whose sum is σ = 28545804752. Its totient is φ = 28545804750.

The previous prime is 28545804713. The next prime is 28545804757. The reversal of 28545804751 is 15740854582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28545804751 - 2²³ = 28537416143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28545804695 and 28545804704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28545804757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272902375 + 14272902376.

It is an arithmetic number, because the mean of its divisors is an integer number (14272902376).

Almost surely, 2^28545804751 is an apocalyptic number.

28545804751 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545804751 is an equidigital number, since it uses as much as digits as its factorization.

28545804751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792000, while the sum is 49.

The spelling of 28545804751 in words is "twenty-eight billion, five hundred forty-five million, eight hundred four thousand, seven hundred fifty-one".