97680859 has 2 divisors, whose sum is σ = 97680860. Its totient is φ = 97680858.

The previous prime is 97680857. The next prime is 97680887. The reversal of 97680859 is 95808679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97680859 - 2¹ = 97680857 is a prime.

Together with 97680857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97680857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48840429 + 48840430.

It is an arithmetic number, because the mean of its divisors is an integer number (48840430).

Almost surely, 2^97680859 is an apocalyptic number.

97680859 is a deficient number, since it is larger than the sum of its proper divisors (1).

97680859 is an equidigital number, since it uses as much as digits as its factorization.

97680859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 97680859 is about 9883.3627374492. The cubic root of 97680859 is about 460.5426158226.

The spelling of 97680859 in words is "ninety-seven million, six hundred eighty thousand, eight hundred fifty-nine".