97889107 has 2 divisors, whose sum is σ = 97889108. Its totient is φ = 97889106.

The previous prime is 97889101. The next prime is 97889117. The reversal of 97889107 is 70198879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97889107 - 2¹¹ = 97887059 is a prime.

It is not a weakly prime, because it can be changed into another prime (97889101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48944553 + 48944554.

It is an arithmetic number, because the mean of its divisors is an integer number (48944554).

Almost surely, 2^97889107 is an apocalyptic number.

97889107 is a deficient number, since it is larger than the sum of its proper divisors (1).

97889107 is an equidigital number, since it uses as much as digits as its factorization.

97889107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 97889107 is about 9893.8924089561. The cubic root of 97889107 is about 460.8696638740.

The spelling of 97889107 in words is "ninety-seven million, eight hundred eighty-nine thousand, one hundred seven".