196257755 has 4 divisors (see below), whose sum is σ = 235509312. Its totient is φ = 157006200.

The previous prime is 196257751. The next prime is 196257767. The reversal of 196257755 is 557752691.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196257755 - 2² = 196257751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196257751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19625771 + ... + 19625780.

It is an arithmetic number, because the mean of its divisors is an integer number (58877328).

Almost surely, 2^196257755 is an apocalyptic number.

196257755 is a deficient number, since it is larger than the sum of its proper divisors (39251557).

196257755 is an equidigital number, since it uses as much as digits as its factorization.

196257755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39251556.

The product of its digits is 661500, while the sum is 47.

The square root of 196257755 is about 14009.2025112067. The cubic root of 196257755 is about 581.1330950768.

The spelling of 196257755 in words is "one hundred ninety-six million, two hundred fifty-seven thousand, seven hundred fifty-five".