97684048678 has 16 divisors (see below), whose sum is σ = 149028446160. Its totient is φ = 48008109856.

The previous prime is 97684048607. The next prime is 97684048681. The reversal of 97684048678 is 87684048679.

It is a super-2 number, since 2×97684048678² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966300 + ... + 1062592.

It is an arithmetic number, because the mean of its divisors is an integer number (9314277885).

Almost surely, 2^97684048678 is an apocalyptic number.

97684048678 is a deficient number, since it is larger than the sum of its proper divisors (51344397482).

97684048678 is a wasteful number, since it uses less digits than its factorization.

97684048678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104951.

The product of its (nonzero) digits is 130056192, while the sum is 67.

Subtracting from 97684048678 its reverse (87684048679), we obtain a palindrome (9999999999).

The spelling of 97684048678 in words is "ninety-seven billion, six hundred eighty-four million, forty-eight thousand, six hundred seventy-eight".