97669287 has 16 divisors (see below), whose sum is σ = 145178880. Its totient is φ = 64895256.

The previous prime is 97669283. The next prime is 97669289. The reversal of 97669287 is 78296679.

It is not a de Polignac number, because 97669287 - 2² = 97669283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97669283) 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 in 15 ways as a sum of consecutive naturals, for example, 2398 + ... + 14180.

It is an arithmetic number, because the mean of its divisors is an integer number (9073680).

Almost surely, 2^97669287 is an apocalyptic number.

97669287 is a deficient number, since it is larger than the sum of its proper divisors (47509593).

97669287 is a wasteful number, since it uses less digits than its factorization.

97669287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099 (or 12093 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 97669287 is about 9882.7772918345. Note that the first 3 decimals coincide. The cubic root of 97669287 is about 460.5244286715.

The spelling of 97669287 in words is "ninety-seven million, six hundred sixty-nine thousand, two hundred eighty-seven".