28601204851 has 2 divisors, whose sum is σ = 28601204852. Its totient is φ = 28601204850.

The previous prime is 28601204813. The next prime is 28601204861. The reversal of 28601204851 is 15840210682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28601204851 - 2³³ = 20011270259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28601204851.

It is not a weakly prime, because it can be changed into another prime (28601204861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300602425 + 14300602426.

It is an arithmetic number, because the mean of its divisors is an integer number (14300602426).

Almost surely, 2^28601204851 is an apocalyptic number.

28601204851 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601204851 is an equidigital number, since it uses as much as digits as its factorization.

28601204851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 28601204851 in words is "twenty-eight billion, six hundred one million, two hundred four thousand, eight hundred fifty-one".