97993653 has 8 divisors (see below), whose sum is σ = 130928448. Its totient is φ = 65193984.

The previous prime is 97993613. The next prime is 97993657. The reversal of 97993653 is 35639979.

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

It is not a de Polignac number, because 97993653 - 2⁶ = 97993589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97993596 and 97993605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97993657) 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, 32076 + ... + 34997.

It is an arithmetic number, because the mean of its divisors is an integer number (16366056).

Almost surely, 2^97993653 is an apocalyptic number.

It is an amenable number.

97993653 is a deficient number, since it is larger than the sum of its proper divisors (32934795).

97993653 is a wasteful number, since it uses less digits than its factorization.

97993653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67563.

The product of its digits is 1377810, while the sum is 51.

The square root of 97993653 is about 9899.1743595110. The cubic root of 97993653 is about 461.0336757804.

The spelling of 97993653 in words is "ninety-seven million, nine hundred ninety-three thousand, six hundred fifty-three".