196628377 has 4 divisors (see below), whose sum is σ = 214503696. Its totient is φ = 178753060.

The previous prime is 196628371. The next prime is 196628423. The reversal of 196628377 is 773826691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196628377 - 2²³ = 188239769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196628377.

It is not an unprimeable number, because it can be changed into a prime (196628371) 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, 8937643 + ... + 8937664.

It is an arithmetic number, because the mean of its divisors is an integer number (53625924).

Almost surely, 2^196628377 is an apocalyptic number.

It is an amenable number.

196628377 is a deficient number, since it is larger than the sum of its proper divisors (17875319).

196628377 is a wasteful number, since it uses less digits than its factorization.

196628377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875318.

The product of its digits is 762048, while the sum is 49.

The square root of 196628377 is about 14022.4240771701. The cubic root of 196628377 is about 581.4986776985.

The spelling of 196628377 in words is "one hundred ninety-six million, six hundred twenty-eight thousand, three hundred seventy-seven".