194972627 has 2 divisors, whose sum is σ = 194972628. Its totient is φ = 194972626.

The previous prime is 194972599. The next prime is 194972641. The reversal of 194972627 is 726279491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194972627 - 2⁶ = 194972563 is a prime.

It is a super-2 number, since 2×194972627² = 76028650558562258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194972527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97486313 + 97486314.

It is an arithmetic number, because the mean of its divisors is an integer number (97486314).

Almost surely, 2^194972627 is an apocalyptic number.

194972627 is a deficient number, since it is larger than the sum of its proper divisors (1).

194972627 is an equidigital number, since it uses as much as digits as its factorization.

194972627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 194972627 is about 13963.2598987486. The cubic root of 194972627 is about 579.8618646463.

The spelling of 194972627 in words is "one hundred ninety-four million, nine hundred seventy-two thousand, six hundred twenty-seven".