97680853 has 4 divisors (see below), whose sum is σ = 97726720. Its totient is φ = 97634988.

The previous prime is 97680811. The next prime is 97680857. The reversal of 97680853 is 35808679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35808679 = 1019 ⋅35141.

It is a cyclic number.

It is not a de Polignac number, because 97680853 - 2²¹ = 95583701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97680857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19575 + ... + 24052.

It is an arithmetic number, because the mean of its divisors is an integer number (24431680).

Almost surely, 2^97680853 is an apocalyptic number.

It is an amenable number.

97680853 is a deficient number, since it is larger than the sum of its proper divisors (45867).

97680853 is a wasteful number, since it uses less digits than its factorization.

97680853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45866.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 97680853 is about 9883.3624339088. The cubic root of 97680853 is about 460.5426063930.

The spelling of 97680853 in words is "ninety-seven million, six hundred eighty thousand, eight hundred fifty-three".