97637147 has 2 divisors, whose sum is σ = 97637148. Its totient is φ = 97637146.

The previous prime is 97637131. The next prime is 97637159. The reversal of 97637147 is 74173679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97637147 - 2⁴ = 97637131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97637098 and 97637107.

It is not a weakly prime, because it can be changed into another prime (97637107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48818573 + 48818574.

It is an arithmetic number, because the mean of its divisors is an integer number (48818574).

Almost surely, 2^97637147 is an apocalyptic number.

97637147 is a deficient number, since it is larger than the sum of its proper divisors (1).

97637147 is an equidigital number, since it uses as much as digits as its factorization.

97637147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 97637147 is about 9881.1510969117. The cubic root of 97637147 is about 460.4739082557.

The spelling of 97637147 in words is "ninety-seven million, six hundred thirty-seven thousand, one hundred forty-seven".