194820827 has 2 divisors, whose sum is σ = 194820828. Its totient is φ = 194820826.

The previous prime is 194820817. The next prime is 194820839. The reversal of 194820827 is 728028491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194820827 - 2¹⁰ = 194819803 is a prime.

It is not a weakly prime, because it can be changed into another prime (194820817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97410413 + 97410414.

It is an arithmetic number, because the mean of its divisors is an integer number (97410414).

Almost surely, 2^194820827 is an apocalyptic number.

194820827 is a deficient number, since it is larger than the sum of its proper divisors (1).

194820827 is an equidigital number, since it uses as much as digits as its factorization.

194820827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 194820827 is about 13957.8231468951. The cubic root of 194820827 is about 579.7113377299.

The spelling of 194820827 in words is "one hundred ninety-four million, eight hundred twenty thousand, eight hundred twenty-seven".