195857760077 has 8 divisors (see below), whose sum is σ = 223858517376. Its totient is φ = 167862272112.

The previous prime is 195857760023. The next prime is 195857760083. The reversal of 195857760077 is 770067758591.

195857760077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195857760077 - 2⁸ = 195857759821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195857760677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237358 + ... + 1386639.

It is an arithmetic number, because the mean of its divisors is an integer number (27982314672).

Almost surely, 2^195857760077 is an apocalyptic number.

It is an amenable number.

195857760077 is a deficient number, since it is larger than the sum of its proper divisors (28000757299).

195857760077 is a wasteful number, since it uses less digits than its factorization.

195857760077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634667.

The product of its (nonzero) digits is 25930800, while the sum is 62.

The spelling of 195857760077 in words is "one hundred ninety-five billion, eight hundred fifty-seven million, seven hundred sixty thousand, seventy-seven".