97738843 has 2 divisors, whose sum is σ = 97738844. Its totient is φ = 97738842.

The previous prime is 97738841. The next prime is 97738859. The reversal of 97738843 is 34883779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97738843 - 2¹ = 97738841 is a prime.

Together with 97738841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97738841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48869421 + 48869422.

It is an arithmetic number, because the mean of its divisors is an integer number (48869422).

Almost surely, 2^97738843 is an apocalyptic number.

97738843 is a deficient number, since it is larger than the sum of its proper divisors (1).

97738843 is an equidigital number, since it uses as much as digits as its factorization.

97738843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 97738843 is about 9886.2957167991. The cubic root of 97738843 is about 460.6337248387.

The spelling of 97738843 in words is "ninety-seven million, seven hundred thirty-eight thousand, eight hundred forty-three".