196496977 has 2 divisors, whose sum is σ = 196496978. Its totient is φ = 196496976.

The previous prime is 196496929. The next prime is 196496983. The reversal of 196496977 is 779694691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193794241 + 2702736 = 13921^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 196496977 - 2⁷ = 196496849 is a prime.

It is a super-2 number, since 2×196496977² = 77222123940277058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196496077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98248488 + 98248489.

It is an arithmetic number, because the mean of its divisors is an integer number (98248489).

Almost surely, 2^196496977 is an apocalyptic number.

It is an amenable number.

196496977 is a deficient number, since it is larger than the sum of its proper divisors (1).

196496977 is an equidigital number, since it uses as much as digits as its factorization.

196496977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 58.

The square root of 196496977 is about 14017.7379416224. The cubic root of 196496977 is about 581.3691169602.

The spelling of 196496977 in words is "one hundred ninety-six million, four hundred ninety-six thousand, nine hundred seventy-seven".