97909683 has 4 divisors (see below), whose sum is σ = 130546248. Its totient is φ = 65273120.

The previous prime is 97909663. The next prime is 97909727. The reversal of 97909683 is 38690979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97909683 - 2¹⁰ = 97908659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97909633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16318278 + ... + 16318283.

It is an arithmetic number, because the mean of its divisors is an integer number (32636562).

Almost surely, 2^97909683 is an apocalyptic number.

97909683 is a deficient number, since it is larger than the sum of its proper divisors (32636565).

97909683 is a wasteful number, since it uses less digits than its factorization.

97909683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636564.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 97909683 is about 9894.9321877414. The cubic root of 97909683 is about 460.9019527573.

The spelling of 97909683 in words is "ninety-seven million, nine hundred nine thousand, six hundred eighty-three".