196988577 has 8 divisors (see below), whose sum is σ = 266351040. Its totient is φ = 129475920.

The previous prime is 196988573. The next prime is 196988591. The reversal of 196988577 is 775889691.

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

It is not a de Polignac number, because 196988577 - 2² = 196988573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196988577.

It is not an unprimeable number, because it can be changed into a prime (196988573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462202 + ... + 462627.

It is an arithmetic number, because the mean of its divisors is an integer number (33293880).

Almost surely, 2^196988577 is an apocalyptic number.

It is an amenable number.

196988577 is a deficient number, since it is larger than the sum of its proper divisors (69362463).

196988577 is an equidigital number, since it uses as much as digits as its factorization.

196988577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924903.

The product of its digits is 7620480, while the sum is 60.

The square root of 196988577 is about 14035.2619141931. The cubic root of 196988577 is about 581.8535401001.

The spelling of 196988577 in words is "one hundred ninety-six million, nine hundred eighty-eight thousand, five hundred seventy-seven".