196055278 has 4 divisors (see below), whose sum is σ = 294082920. Its totient is φ = 98027638.

The previous prime is 196055273. The next prime is 196055291. The reversal of 196055278 is 872550691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 872550691 = 7951 ⋅109741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196055273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49013818 + ... + 49013821.

It is an arithmetic number, because the mean of its divisors is an integer number (73520730).

Almost surely, 2^196055278 is an apocalyptic number.

196055278 is a deficient number, since it is larger than the sum of its proper divisors (98027642).

196055278 is an equidigital number, since it uses as much as digits as its factorization.

196055278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98027641.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 196055278 is about 14001.9740751081. The cubic root of 196055278 is about 580.9331767366.

The spelling of 196055278 in words is "one hundred ninety-six million, fifty-five thousand, two hundred seventy-eight".