193207928307 has 16 divisors (see below), whose sum is σ = 273217774848. Its totient is φ = 121185298080.

The previous prime is 193207928297. The next prime is 193207928321. The reversal of 193207928307 is 703829702391.

It is not a de Polignac number, because 193207928307 - 2¹⁸ = 193207666163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193207928307.

It is not an unprimeable number, because it can be changed into a prime (193207928387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22947553 + ... + 22955970.

It is an arithmetic number, because the mean of its divisors is an integer number (17076110928).

Almost surely, 2^193207928307 is an apocalyptic number.

193207928307 is a deficient number, since it is larger than the sum of its proper divisors (80009846541).

193207928307 is a wasteful number, since it uses less digits than its factorization.

193207928307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45903610.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 193207928307 in words is "one hundred ninety-three billion, two hundred seven million, nine hundred twenty-eight thousand, three hundred seven".