97869662668 has 24 divisors (see below), whose sum is σ = 172481762880. Its totient is φ = 48589962960.

The previous prime is 97869662651. The next prime is 97869662669. The reversal of 97869662668 is 86626696879.

It is a super-2 number, since 2×97869662668² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97869662668.

It is not an unprimeable number, because it can be changed into a prime (97869662669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388963 + ... + 589093.

It is an arithmetic number, because the mean of its divisors is an integer number (7186740120).

Almost surely, 2^97869662668 is an apocalyptic number.

It is an amenable number.

97869662668 is a deficient number, since it is larger than the sum of its proper divisors (74612100212).

97869662668 is a wasteful number, since it uses less digits than its factorization.

97869662668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200997 (or 200995 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 73.

The spelling of 97869662668 in words is "ninety-seven billion, eight hundred sixty-nine million, six hundred sixty-two thousand, six hundred sixty-eight".