196486125577 has 4 divisors (see below), whose sum is σ = 224555572096. Its totient is φ = 168416679060.

The previous prime is 196486125559. The next prime is 196486125601. The reversal of 196486125577 is 775521684691.

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 not a de Polignac number, because 196486125577 - 2⁷ = 196486125449 is a prime.

It is a super-2 number, since 2×196486125577² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196486122577) 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, 14034723249 + ... + 14034723262.

It is an arithmetic number, because the mean of its divisors is an integer number (56138893024).

Almost surely, 2^196486125577 is an apocalyptic number.

It is an amenable number.

196486125577 is a deficient number, since it is larger than the sum of its proper divisors (28069446519).

196486125577 is an equidigital number, since it uses as much as digits as its factorization.

196486125577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069446518.

The product of its digits is 25401600, while the sum is 61.

The spelling of 196486125577 in words is "one hundred ninety-six billion, four hundred eighty-six million, one hundred twenty-five thousand, five hundred seventy-seven".