97500685 has 16 divisors (see below), whose sum is σ = 123543360. Its totient is φ = 73869264.

The previous prime is 97500671. The next prime is 97500691. The reversal of 97500685 is 58600579.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-97500685 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32874 + ... + 35716.

It is an arithmetic number, because the mean of its divisors is an integer number (7721460).

Almost surely, 2^97500685 is an apocalyptic number.

97500685 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97500685 is a deficient number, since it is larger than the sum of its proper divisors (26042675).

97500685 is an equidigital number, since it uses as much as digits as its factorization.

97500685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 97500685 is about 9874.2435153281. The cubic root of 97500685 is about 460.2592819929.

The spelling of 97500685 in words is "ninety-seven million, five hundred thousand, six hundred eighty-five".