102806063847 has 12 divisors (see below), whose sum is σ = 148507201440. Its totient is φ = 68532966528.

The previous prime is 102806063839. The next prime is 102806063887. The reversal of 102806063847 is 748360608201.

102806063847 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 0 + 6 + 0 + 638 + 4 + 7 = 666.

It is not a de Polignac number, because 102806063847 - 2³ = 102806063839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102806063827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216522 + ... + 502487.

It is an arithmetic number, because the mean of its divisors is an integer number (12375600120).

Almost surely, 2^102806063847 is an apocalyptic number.

102806063847 is a deficient number, since it is larger than the sum of its proper divisors (45701137593).

102806063847 is a wasteful number, since it uses less digits than its factorization.

102806063847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734902 (or 734899 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 102806063847 in words is "one hundred two billion, eight hundred six million, sixty-three thousand, eight hundred forty-seven".