102004863817 has 16 divisors (see below), whose sum is σ = 112061352960. Its totient is φ = 92418611472.

The previous prime is 102004863809. The next prime is 102004863827. The reversal of 102004863817 is 718368400201.

It is a cyclic number.

It is not a de Polignac number, because 102004863817 - 2³ = 102004863809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102004863817.

It is not an unprimeable number, because it can be changed into a prime (102004863827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034858 + ... + 3068284.

It is an arithmetic number, because the mean of its divisors is an integer number (7003834560).

Almost surely, 2^102004863817 is an apocalyptic number.

It is an amenable number.

102004863817 is a deficient number, since it is larger than the sum of its proper divisors (10056489143).

102004863817 is a wasteful number, since it uses less digits than its factorization.

102004863817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40452.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 102004863817 in words is "one hundred two billion, four million, eight hundred sixty-three thousand, eight hundred seventeen".