97775582885 has 8 divisors (see below), whose sum is σ = 118369024920. Its totient is φ = 77528249344.

The previous prime is 97775582881. The next prime is 97775582899. The reversal of 97775582885 is 58828557779.

It can be written as a sum of positive squares in 4 ways, for example, as 70576801 + 97705006084 = 8401^2 + 312578^2 .

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 97775582885 - 2² = 97775582881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97775582881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86526500 + ... + 86527629.

It is an arithmetic number, because the mean of its divisors is an integer number (14796128115).

Almost surely, 2^97775582885 is an apocalyptic number.

It is an amenable number.

97775582885 is a deficient number, since it is larger than the sum of its proper divisors (20593442035).

97775582885 is a wasteful number, since it uses less digits than its factorization.

97775582885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173054247.

The product of its digits is 395136000, while the sum is 71.

The spelling of 97775582885 in words is "ninety-seven billion, seven hundred seventy-five million, five hundred eighty-two thousand, eight hundred eighty-five".