97343647 has 2 divisors, whose sum is σ = 97343648. Its totient is φ = 97343646.

The previous prime is 97343639. The next prime is 97343651. The reversal of 97343647 is 74634379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97343647 - 2³ = 97343639 is a prime.

It is a super-2 number, since 2×97343647² = 18951571222521218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97343677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48671823 + 48671824.

It is an arithmetic number, because the mean of its divisors is an integer number (48671824).

Almost surely, 2^97343647 is an apocalyptic number.

97343647 is a deficient number, since it is larger than the sum of its proper divisors (1).

97343647 is an equidigital number, since it uses as much as digits as its factorization.

97343647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 97343647 is about 9866.2884105422. The cubic root of 97343647 is about 460.0120459983.

The spelling of 97343647 in words is "ninety-seven million, three hundred forty-three thousand, six hundred forty-seven".