97136407 has 2 divisors, whose sum is σ = 97136408. Its totient is φ = 97136406.

The previous prime is 97136387. The next prime is 97136437. The reversal of 97136407 is 70463179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97136407 - 2⁷ = 97136279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97136437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48568203 + 48568204.

It is an arithmetic number, because the mean of its divisors is an integer number (48568204).

Almost surely, 2^97136407 is an apocalyptic number.

97136407 is a deficient number, since it is larger than the sum of its proper divisors (1).

97136407 is an equidigital number, since it uses as much as digits as its factorization.

97136407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 97136407 is about 9855.7803851344. The cubic root of 97136407 is about 459.6853661291.

The spelling of 97136407 in words is "ninety-seven million, one hundred thirty-six thousand, four hundred seven".