97089687 has 12 divisors (see below), whose sum is σ = 140830560. Its totient is φ = 64454208.

The previous prime is 97089653. The next prime is 97089689. The reversal of 97089687 is 78698079.

It is not a de Polignac number, because 97089687 - 2¹⁸ = 96827543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97089689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20418 + ... + 24719.

It is an arithmetic number, because the mean of its divisors is an integer number (11735880).

Almost surely, 2^97089687 is an apocalyptic number.

97089687 is a deficient number, since it is larger than the sum of its proper divisors (43740873).

97089687 is a wasteful number, since it uses less digits than its factorization.

97089687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45382 (or 45379 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 97089687 is about 9853.4099173839. The cubic root of 97089687 is about 459.6116555432.

The spelling of 97089687 in words is "ninety-seven million, eighty-nine thousand, six hundred eighty-seven".