97987535 has 8 divisors (see below), whose sum is σ = 119196240. Its totient is φ = 77315904.

The previous prime is 97987523. The next prime is 97987537. The reversal of 97987535 is 53578979.

It is a happy number.

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 97987535 - 2⁶ = 97987471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97987537) 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, 133865 + ... + 134594.

It is an arithmetic number, because the mean of its divisors is an integer number (14899530).

Almost surely, 2^97987535 is an apocalyptic number.

97987535 is a deficient number, since it is larger than the sum of its proper divisors (21208705).

97987535 is a wasteful number, since it uses less digits than its factorization.

97987535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268537.

The product of its digits is 2381400, while the sum is 53.

The square root of 97987535 is about 9898.8653390174. The cubic root of 97987535 is about 461.0240810680.

The spelling of 97987535 in words is "ninety-seven million, nine hundred eighty-seven thousand, five hundred thirty-five".