102863865813 has 8 divisors (see below), whose sum is σ = 137174099808. Its totient is φ = 68564771184.

The previous prime is 102863865809. The next prime is 102863865833. The reversal of 102863865813 is 318568368201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102863865813 - 2² = 102863865809 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102863865833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763270 + ... + 2800247.

It is an arithmetic number, because the mean of its divisors is an integer number (17146762476).

Almost surely, 2^102863865813 is an apocalyptic number.

It is an amenable number.

102863865813 is a deficient number, since it is larger than the sum of its proper divisors (34310233995).

102863865813 is an equidigital number, since it uses as much as digits as its factorization.

102863865813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569683.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 102863865813 in words is "one hundred two billion, eight hundred sixty-three million, eight hundred sixty-five thousand, eight hundred thirteen".