97697536 has 18 divisors (see below), whose sum is σ = 195013952. Its totient is φ = 48848640.

The previous prime is 97697533. The next prime is 97697609. The reversal of 97697536 is 63579679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97697533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190560 + ... + 191071.

Almost surely, 2^97697536 is an apocalyptic number.

It is an amenable number.

97697536 is a deficient number, since it is larger than the sum of its proper divisors (97316416).

97697536 is an equidigital number, since it uses as much as digits as its factorization.

97697536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381647 (or 381633 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 52.

The square root of 97697536 is about 9884.2063920175. The cubic root of 97697536 is about 460.5688237280.

The spelling of 97697536 in words is "ninety-seven million, six hundred ninety-seven thousand, five hundred thirty-six".