102005343788 has 12 divisors (see below), whose sum is σ = 181534934280. Its totient is φ = 50138219712.

The previous prime is 102005343787. The next prime is 102005343859. The reversal of 102005343788 is 887343500201.

It is a super-2 number, since 2×102005343788² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102005343787) 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 3 ways as a sum of consecutive naturals, for example, 216112781 + ... + 216113252.

It is an arithmetic number, because the mean of its divisors is an integer number (15127911190).

Almost surely, 2^102005343788 is an apocalyptic number.

It is an amenable number.

102005343788 is a deficient number, since it is larger than the sum of its proper divisors (79529590492).

102005343788 is a wasteful number, since it uses less digits than its factorization.

102005343788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432226096 (or 432226094 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 102005343788 its reverse (887343500201), we get a palindrome (989348843989).

The spelling of 102005343788 in words is "one hundred two billion, five million, three hundred forty-three thousand, seven hundred eighty-eight".