97736785 has 8 divisors (see below), whose sum is σ = 117406440. Its totient is φ = 78107904.

The previous prime is 97736783. The next prime is 97736789. The reversal of 97736785 is 58763779.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1245456 + 96491329 = 1116^2 + 9823^2 .

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 97736785 - 2¹ = 97736783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97736783) 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 7 ways as a sum of consecutive naturals, for example, 4642 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (14675805).

Almost surely, 2^97736785 is an apocalyptic number.

It is an amenable number.

97736785 is a deficient number, since it is larger than the sum of its proper divisors (19669655).

97736785 is a wasteful number, since it uses less digits than its factorization.

97736785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20387.

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

The square root of 97736785 is about 9886.1916327775. The cubic root of 97736785 is about 460.6304917643.

The spelling of 97736785 in words is "ninety-seven million, seven hundred thirty-six thousand, seven hundred eighty-five".