97827923 has 2 divisors, whose sum is σ = 97827924. Its totient is φ = 97827922.

The previous prime is 97827913. The next prime is 97827929. The reversal of 97827923 is 32972879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97827923 - 2¹⁰ = 97826899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97827929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48913961 + 48913962.

It is an arithmetic number, because the mean of its divisors is an integer number (48913962).

Almost surely, 2^97827923 is an apocalyptic number.

97827923 is a deficient number, since it is larger than the sum of its proper divisors (1).

97827923 is an equidigital number, since it uses as much as digits as its factorization.

97827923 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 97827923 is about 9890.7999170947. The cubic root of 97827923 is about 460.7736241569.

The spelling of 97827923 in words is "ninety-seven million, eight hundred twenty-seven thousand, nine hundred twenty-three".