102812807827 has 2 divisors, whose sum is σ = 102812807828. Its totient is φ = 102812807826.

The previous prime is 102812807759. The next prime is 102812807831. The reversal of 102812807827 is 728708218201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102812807827 - 2¹¹ = 102812805779 is a prime.

It is not a weakly prime, because it can be changed into another prime (102812807527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51406403913 + 51406403914.

It is an arithmetic number, because the mean of its divisors is an integer number (51406403914).

Almost surely, 2^102812807827 is an apocalyptic number.

102812807827 is a deficient number, since it is larger than the sum of its proper divisors (1).

102812807827 is an equidigital number, since it uses as much as digits as its factorization.

102812807827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 46.

The spelling of 102812807827 in words is "one hundred two billion, eight hundred twelve million, eight hundred seven thousand, eight hundred twenty-seven".