196770757 has 2 divisors, whose sum is σ = 196770758. Its totient is φ = 196770756.

The previous prime is 196770677. The next prime is 196770779. The reversal of 196770757 is 757077691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143976001 + 52794756 = 11999^2 + 7266^2 .

It is a cyclic number.

It is not a de Polignac number, because 196770757 - 2¹⁹ = 196246469 is a prime.

It is the 14028-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 196770757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196770787) by changing a digit.

It is a nontrivial repunit in base 14027.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98385378 + 98385379.

It is an arithmetic number, because the mean of its divisors is an integer number (98385379).

Almost surely, 2^196770757 is an apocalyptic number.

It is an amenable number.

196770757 is a deficient number, since it is larger than the sum of its proper divisors (1).

196770757 is an equidigital number, since it uses as much as digits as its factorization.

196770757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648270, while the sum is 49.

The square root of 196770757 is about 14027.5000267332. The cubic root of 196770757 is about 581.6389996045.

It can be divided in two parts, 19 and 6770757, that added together give a palindrome (6770776).

The spelling of 196770757 in words is "one hundred ninety-six million, seven hundred seventy thousand, seven hundred fifty-seven".