196797877 has 16 divisors (see below), whose sum is σ = 210562560. Its totient is φ = 183401712.

The previous prime is 196797869. The next prime is 196797901. The reversal of 196797877 is 778797691.

It is a cyclic number.

It is not a de Polignac number, because 196797877 - 2³ = 196797869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196797817) 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, 444018 + ... + 444460.

It is an arithmetic number, because the mean of its divisors is an integer number (13160160).

Almost surely, 2^196797877 is an apocalyptic number.

It is an amenable number.

196797877 is a deficient number, since it is larger than the sum of its proper divisors (13764683).

196797877 is a wasteful number, since it uses less digits than its factorization.

196797877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 9335088, while the sum is 61.

The square root of 196797877 is about 14028.4666660330. The cubic root of 196797877 is about 581.6657199114.

It can be divided in two parts, 19679 and 7877, that added together give a square (27556 = 166²).

The spelling of 196797877 in words is "one hundred ninety-six million, seven hundred ninety-seven thousand, eight hundred seventy-seven".