195040867 has 4 divisors (see below), whose sum is σ = 222903856. Its totient is φ = 167177880.

The previous prime is 195040841. The next prime is 195040873. The reversal of 195040867 is 768040591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768040591 = 19 ⋅40423189.

It is a cyclic number.

It is not a de Polignac number, because 195040867 - 2²³ = 186652259 is a prime.

It is a super-2 number, since 2×195040867² = 76081879600223378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195040877) 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, 13931484 + ... + 13931497.

It is an arithmetic number, because the mean of its divisors is an integer number (55725964).

Almost surely, 2^195040867 is an apocalyptic number.

195040867 is a deficient number, since it is larger than the sum of its proper divisors (27862989).

195040867 is an equidigital number, since it uses as much as digits as its factorization.

195040867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27862988.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 195040867 is about 13965.7032404387. The cubic root of 195040867 is about 579.9295068904.

The spelling of 195040867 in words is "one hundred ninety-five million, forty thousand, eight hundred sixty-seven".