97709193 has 32 divisors (see below), whose sum is σ = 151902720. Its totient is φ = 62000640.

The previous prime is 97709173. The next prime is 97709219. The reversal of 97709193 is 39190779.

It is not a de Polignac number, because 97709193 - 2⁸ = 97708937 is a prime.

It is a super-2 number, since 2×97709193² = 19094172793422498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97709123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45913 + ... + 47993.

It is an arithmetic number, because the mean of its divisors is an integer number (4746960).

Almost surely, 2^97709193 is an apocalyptic number.

It is an amenable number.

97709193 is a deficient number, since it is larger than the sum of its proper divisors (54193527).

97709193 is a wasteful number, since it uses less digits than its factorization.

97709193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 97709193 is about 9884.7960525243. The cubic root of 97709193 is about 460.5871409326.

The spelling of 97709193 in words is "ninety-seven million, seven hundred nine thousand, one hundred ninety-three".