195792761 has 4 divisors (see below), whose sum is σ = 195820800. Its totient is φ = 195764724.

The previous prime is 195792749. The next prime is 195792781. The reversal of 195792761 is 167297591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195792761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195792781) 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, 5720 + ... + 20598.

It is an arithmetic number, because the mean of its divisors is an integer number (48955200).

Almost surely, 2^195792761 is an apocalyptic number.

It is an amenable number.

195792761 is a deficient number, since it is larger than the sum of its proper divisors (28039).

195792761 is a wasteful number, since it uses less digits than its factorization.

195792761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28038.

The product of its digits is 238140, while the sum is 47.

The square root of 195792761 is about 13992.5966496573. The cubic root of 195792761 is about 580.6737720852.

The spelling of 195792761 in words is "one hundred ninety-five million, seven hundred ninety-two thousand, seven hundred sixty-one".