97738859 has 2 divisors, whose sum is σ = 97738860. Its totient is φ = 97738858.

The previous prime is 97738843. The next prime is 97738889. The reversal of 97738859 is 95883779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97738859 - 2⁴ = 97738843 is a prime.

It is not a weakly prime, because it can be changed into another prime (97738889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48869429 + 48869430.

It is an arithmetic number, because the mean of its divisors is an integer number (48869430).

Almost surely, 2^97738859 is an apocalyptic number.

97738859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97738859 is an equidigital number, since it uses as much as digits as its factorization.

97738859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 97738859 is about 9886.2965260000. The cubic root of 97738859 is about 460.6337499742.

The spelling of 97738859 in words is "ninety-seven million, seven hundred thirty-eight thousand, eight hundred fifty-nine".