97658243 has 4 divisors (see below), whose sum is σ = 97694640. Its totient is φ = 97621848.

The previous prime is 97658237. The next prime is 97658257. The reversal of 97658243 is 34285679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34285679 = 1451 ⋅23629.

It is a cyclic number.

It is not a de Polignac number, because 97658243 - 2⁶ = 97658179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97658194 and 97658203.

It is not an unprimeable number, because it can be changed into a prime (97658443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823 + ... + 19656.

It is an arithmetic number, because the mean of its divisors is an integer number (24423660).

Almost surely, 2^97658243 is an apocalyptic number.

97658243 is a deficient number, since it is larger than the sum of its proper divisors (36397).

97658243 is a wasteful number, since it uses less digits than its factorization.

97658243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36396.

The product of its digits is 362880, while the sum is 44.

The square root of 97658243 is about 9882.2185262217. The cubic root of 97658243 is about 460.5070700126.

The spelling of 97658243 in words is "ninety-seven million, six hundred fifty-eight thousand, two hundred forty-three".