97658993 has 8 divisors (see below), whose sum is σ = 102890400. Its totient is φ = 92436768.

The previous prime is 97658971. The next prime is 97659049. The reversal of 97658993 is 39985679.

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

It is a cyclic number.

It is not a de Polignac number, because 97658993 - 2⁶ = 97658929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97658933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36578 + ... + 39156.

It is an arithmetic number, because the mean of its divisors is an integer number (12861300).

Almost surely, 2^97658993 is an apocalyptic number.

It is an amenable number.

97658993 is a deficient number, since it is larger than the sum of its proper divisors (5231407).

97658993 is a wasteful number, since it uses less digits than its factorization.

97658993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 3674160, while the sum is 56.

The square root of 97658993 is about 9882.2564730936. The cubic root of 97658993 is about 460.5082488837.

The spelling of 97658993 in words is "ninety-seven million, six hundred fifty-eight thousand, nine hundred ninety-three".