28558671451 has 2 divisors, whose sum is σ = 28558671452. Its totient is φ = 28558671450.

The previous prime is 28558671431. The next prime is 28558671497. The reversal of 28558671451 is 15417685582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28558671451 - 2²³ = 28550282843 is a prime.

It is not a weakly prime, because it can be changed into another prime (28558671431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14279335725 + 14279335726.

It is an arithmetic number, because the mean of its divisors is an integer number (14279335726).

Almost surely, 2^28558671451 is an apocalyptic number.

28558671451 is a deficient number, since it is larger than the sum of its proper divisors (1).

28558671451 is an equidigital number, since it uses as much as digits as its factorization.

28558671451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688000, while the sum is 52.

The spelling of 28558671451 in words is "twenty-eight billion, five hundred fifty-eight million, six hundred seventy-one thousand, four hundred fifty-one".