97610985 has 12 divisors (see below), whose sum is σ = 169192452. Its totient is φ = 52059168.

The previous prime is 97610983. The next prime is 97610987. The reversal of 97610985 is 58901679.

It is an interprime number because it is at equal distance from previous prime (97610983) and next prime (97610987).

It can be written as a sum of positive squares in 2 ways, for example, as 42302016 + 55308969 = 6504^2 + 7437^2 .

It is not a de Polignac number, because 97610985 - 2¹ = 97610983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2169133 = 97610985 / (9 + 7 + 6 + 1 + 0 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 97610985.

It is not an unprimeable number, because it can be changed into a prime (97610983) 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, 1084522 + ... + 1084611.

It is an arithmetic number, because the mean of its divisors is an integer number (14099371).

Almost surely, 2^97610985 is an apocalyptic number.

It is an amenable number.

97610985 is a deficient number, since it is larger than the sum of its proper divisors (71581467).

97610985 is a wasteful number, since it uses less digits than its factorization.

97610985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169144 (or 2169141 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 97610985 is about 9879.8271746018. The cubic root of 97610985 is about 460.4327763883.

The spelling of 97610985 in words is "ninety-seven million, six hundred ten thousand, nine hundred eighty-five".