196077497 has 32 divisors (see below), whose sum is σ = 254603520. Its totient is φ = 146522880.

The previous prime is 196077493. The next prime is 196077499. The reversal of 196077497 is 794770691.

It is a happy number.

It is not a de Polignac number, because 196077497 - 2² = 196077493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196077491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618383 + ... + 618699.

It is an arithmetic number, because the mean of its divisors is an integer number (7956360).

Almost surely, 2^196077497 is an apocalyptic number.

It is an amenable number.

196077497 is a deficient number, since it is larger than the sum of its proper divisors (58526023).

196077497 is a wasteful number, since it uses less digits than its factorization.

196077497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 196077497 is about 14002.7674764669. The cubic root of 196077497 is about 580.9551216813.

The spelling of 196077497 in words is "one hundred ninety-six million, seventy-seven thousand, four hundred ninety-seven".