196628573387 has 4 divisors (see below), whose sum is σ = 196644145776. Its totient is φ = 196613001000.

The previous prime is 196628573381. The next prime is 196628573389. The reversal of 196628573387 is 783375826691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196628573387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196628573381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7767239 + ... + 7792512.

It is an arithmetic number, because the mean of its divisors is an integer number (49161036444).

Almost surely, 2^196628573387 is an apocalyptic number.

196628573387 is a deficient number, since it is larger than the sum of its proper divisors (15572389).

196628573387 is a wasteful number, since it uses less digits than its factorization.

196628573387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572388.

The product of its digits is 91445760, while the sum is 65.

The spelling of 196628573387 in words is "one hundred ninety-six billion, six hundred twenty-eight million, five hundred seventy-three thousand, three hundred eighty-seven".