199327207479 has 32 divisors (see below), whose sum is σ = 277486834944. Its totient is φ = 127168634880.

The previous prime is 199327207439. The next prime is 199327207481. The reversal of 199327207479 is 974702723991.

It is not a de Polignac number, because 199327207479 - 2¹⁶ = 199327141943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199327207439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1973052 + ... + 2071614.

It is an arithmetic number, because the mean of its divisors is an integer number (8671463592).

Almost surely, 2^199327207479 is an apocalyptic number.

199327207479 is a deficient number, since it is larger than the sum of its proper divisors (78159627465).

199327207479 is a wasteful number, since it uses less digits than its factorization.

199327207479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98927.

The product of its (nonzero) digits is 12002256, while the sum is 60.

The spelling of 199327207479 in words is "one hundred ninety-nine billion, three hundred twenty-seven million, two hundred seven thousand, four hundred seventy-nine".