97759999 has 2 divisors, whose sum is σ = 97760000. Its totient is φ = 97759998.

The previous prime is 97759969. The next prime is 97760009. The reversal of 97759999 is 99995779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97759999 - 2¹¹ = 97757951 is a prime.

It is a Chen prime.

97759999 is a modest number, since divided by 9999 gives 9775 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 97759999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97759969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48879999 + 48880000.

It is an arithmetic number, because the mean of its divisors is an integer number (48880000).

Almost surely, 2^97759999 is an apocalyptic number.

97759999 is a deficient number, since it is larger than the sum of its proper divisors (1).

97759999 is an equidigital number, since it uses as much as digits as its factorization.

97759999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14467005, while the sum is 64.

The square root of 97759999 is about 9887.3656248770. The cubic root of 97759999 is about 460.6669578357. Note that the first 3 decimals are identical.

The spelling of 97759999 in words is "ninety-seven million, seven hundred fifty-nine thousand, nine hundred ninety-nine".