102398041771 has 4 divisors (see below), whose sum is σ = 103179706344. Its totient is φ = 101616377200.

The previous prime is 102398041763. The next prime is 102398041807. The reversal of 102398041771 is 177140893201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102398041771 - 2³ = 102398041763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102398041751) 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, 390832090 + ... + 390832351.

It is an arithmetic number, because the mean of its divisors is an integer number (25794926586).

Almost surely, 2^102398041771 is an apocalyptic number.

102398041771 is a deficient number, since it is larger than the sum of its proper divisors (781664573).

102398041771 is an equidigital number, since it uses as much as digits as its factorization.

102398041771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781664572.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 102398041771 in words is "one hundred two billion, three hundred ninety-eight million, forty-one thousand, seven hundred seventy-one".