97643407 has 8 divisors (see below), whose sum is σ = 101984400. Its totient is φ = 93392064.

The previous prime is 97643383. The next prime is 97643419. The reversal of 97643407 is 70434679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97643407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97643407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97643477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20182 + ... + 24547.

It is an arithmetic number, because the mean of its divisors is an integer number (12748050).

Almost surely, 2^97643407 is an apocalyptic number.

97643407 is a deficient number, since it is larger than the sum of its proper divisors (4340993).

97643407 is a wasteful number, since it uses less digits than its factorization.

97643407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44825.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 97643407 is about 9881.4678565484. The cubic root of 97643407 is about 460.4837491313.

The spelling of 97643407 in words is "ninety-seven million, six hundred forty-three thousand, four hundred seven".