102855347797 has 2 divisors, whose sum is σ = 102855347798. Its totient is φ = 102855347796.

The previous prime is 102855347753. The next prime is 102855347849. The reversal of 102855347797 is 797743558201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79545997521 + 23309350276 = 282039^2 + 152674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102855347797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102855347737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51427673898 + 51427673899.

It is an arithmetic number, because the mean of its divisors is an integer number (51427673899).

Almost surely, 2^102855347797 is an apocalyptic number.

It is an amenable number.

102855347797 is a deficient number, since it is larger than the sum of its proper divisors (1).

102855347797 is an equidigital number, since it uses as much as digits as its factorization.

102855347797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 58.

The spelling of 102855347797 in words is "one hundred two billion, eight hundred fifty-five million, three hundred forty-seven thousand, seven hundred ninety-seven".