97773685 has 8 divisors (see below), whose sum is σ = 117527256. Its totient is φ = 78086400.

The previous prime is 97773671. The next prime is 97773727. The reversal of 97773685 is 58637779.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2007889 + 95765796 = 1417^2 + 9786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97773685 - 2⁹ = 97773173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13264 + ... + 19273.

It is an arithmetic number, because the mean of its divisors is an integer number (14690907).

Almost surely, 2^97773685 is an apocalyptic number.

It is an amenable number.

97773685 is a deficient number, since it is larger than the sum of its proper divisors (19753571).

97773685 is a wasteful number, since it uses less digits than its factorization.

97773685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33143.

The product of its digits is 2222640, while the sum is 52.

The square root of 97773685 is about 9888.0576960291. The cubic root of 97773685 is about 460.6884539959.

The spelling of 97773685 in words is "ninety-seven million, seven hundred seventy-three thousand, six hundred eighty-five".