196377761 has 8 divisors (see below), whose sum is σ = 210074760. Its totient is φ = 182919168.

The previous prime is 196377757. The next prime is 196377767. The reversal of 196377761 is 167773691.

It can be written as a sum of positive squares in 4 ways, for example, as 117505600 + 78872161 = 10840^2 + 8881^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 196377761 - 2² = 196377757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196377767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57896 + ... + 61193.

It is an arithmetic number, because the mean of its divisors is an integer number (26259345).

Almost surely, 2^196377761 is an apocalyptic number.

It is an amenable number.

196377761 is a deficient number, since it is larger than the sum of its proper divisors (13696999).

196377761 is a wasteful number, since it uses less digits than its factorization.

196377761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119203.

The product of its digits is 333396, while the sum is 47.

The square root of 196377761 is about 14013.4849698424. The cubic root of 196377761 is about 581.2515196939.

The spelling of 196377761 in words is "one hundred ninety-six million, three hundred seventy-seven thousand, seven hundred sixty-one".