97864027 has 2 divisors, whose sum is σ = 97864028. Its totient is φ = 97864026.

The previous prime is 97863991. The next prime is 97864031. The reversal of 97864027 is 72046879.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97864027 is a prime.

It is not a weakly prime, because it can be changed into another prime (97864127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48932013 + 48932014.

It is an arithmetic number, because the mean of its divisors is an integer number (48932014).

Almost surely, 2^97864027 is an apocalyptic number.

97864027 is a deficient number, since it is larger than the sum of its proper divisors (1).

97864027 is an equidigital number, since it uses as much as digits as its factorization.

97864027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 97864027 is about 9892.6248791714. The cubic root of 97864027 is about 460.8303009704.

The spelling of 97864027 in words is "ninety-seven million, eight hundred sixty-four thousand, twenty-seven".