97887743 has 2 divisors, whose sum is σ = 97887744. Its totient is φ = 97887742.

The previous prime is 97887707. The next prime is 97887809. The reversal of 97887743 is 34778879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97887743 - 2⁶ = 97887679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97887443) 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, 48943871 + 48943872.

It is an arithmetic number, because the mean of its divisors is an integer number (48943872).

Almost surely, 2^97887743 is an apocalyptic number.

97887743 is a deficient number, since it is larger than the sum of its proper divisors (1).

97887743 is an equidigital number, since it uses as much as digits as its factorization.

97887743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 97887743 is about 9893.8234773014. The cubic root of 97887743 is about 460.8675232574.

The spelling of 97887743 in words is "ninety-seven million, eight hundred eighty-seven thousand, seven hundred forty-three".