97894522867 has 2 divisors, whose sum is σ = 97894522868. Its totient is φ = 97894522866.

The previous prime is 97894522861. The next prime is 97894522903. The reversal of 97894522867 is 76822549879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97894522867 - 2²³ = 97886134259 is a prime.

It is not a weakly prime, because it can be changed into another prime (97894522861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48947261433 + 48947261434.

It is an arithmetic number, because the mean of its divisors is an integer number (48947261434).

Almost surely, 2^97894522867 is an apocalyptic number.

97894522867 is a deficient number, since it is larger than the sum of its proper divisors (1).

97894522867 is an equidigital number, since it uses as much as digits as its factorization.

97894522867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 67.

The spelling of 97894522867 in words is "ninety-seven billion, eight hundred ninety-four million, five hundred twenty-two thousand, eight hundred sixty-seven".