102170757839 has 2 divisors, whose sum is σ = 102170757840. Its totient is φ = 102170757838.

The previous prime is 102170757779. The next prime is 102170757841. The reversal of 102170757839 is 938757071201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102170757839 is a prime.

It is a super-3 number, since 3×102170757839³ (a number of 34 digits) contains 333 as substring.

Together with 102170757841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102170757739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51085378919 + 51085378920.

It is an arithmetic number, because the mean of its divisors is an integer number (51085378920).

Almost surely, 2^102170757839 is an apocalyptic number.

102170757839 is a deficient number, since it is larger than the sum of its proper divisors (1).

102170757839 is an equidigital number, since it uses as much as digits as its factorization.

102170757839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 50.

The spelling of 102170757839 in words is "one hundred two billion, one hundred seventy million, seven hundred fifty-seven thousand, eight hundred thirty-nine".