102728550199 has 8 divisors (see below), whose sum is σ = 112078626192. Its totient is φ = 93380327040.

The previous prime is 102728550191. The next prime is 102728550203. The reversal of 102728550199 is 991055827201.

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

It is not a de Polignac number, because 102728550199 - 2³ = 102728550191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102728550191) 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, 345984 + ... + 570229.

It is an arithmetic number, because the mean of its divisors is an integer number (14009828274).

Almost surely, 2^102728550199 is an apocalyptic number.

102728550199 is a deficient number, since it is larger than the sum of its proper divisors (9350075993).

102728550199 is a wasteful number, since it uses less digits than its factorization.

102728550199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926417.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 102728550199 in words is "one hundred two billion, seven hundred twenty-eight million, five hundred fifty thousand, one hundred ninety-nine".