102203739887 has 2 divisors, whose sum is σ = 102203739888. Its totient is φ = 102203739886.

The previous prime is 102203739881. The next prime is 102203739893. The reversal of 102203739887 is 788937302201.

It is a balanced prime because it is at equal distance from previous prime (102203739881) and next prime (102203739893).

It is an emirp because it is prime and its reverse (788937302201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102203739887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102203739881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101869943 + 51101869944.

It is an arithmetic number, because the mean of its divisors is an integer number (51101869944).

Almost surely, 2^102203739887 is an apocalyptic number.

102203739887 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203739887 is an equidigital number, since it uses as much as digits as its factorization.

102203739887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 102203739887 in words is "one hundred two billion, two hundred three million, seven hundred thirty-nine thousand, eight hundred eighty-seven".