97678487679 has 8 divisors (see below), whose sum is σ = 130332296112. Its totient is φ = 65071835520.

The previous prime is 97678487671. The next prime is 97678487701.

97678487679 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97678487679 - 2³ = 97678487671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97678487671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11784234 + ... + 11792519.

It is an arithmetic number, because the mean of its divisors is an integer number (16291537014).

Almost surely, 2^97678487679 is an apocalyptic number.

97678487679 is a deficient number, since it is larger than the sum of its proper divisors (32653808433).

97678487679 is a wasteful number, since it uses less digits than its factorization.

97678487679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23578137.

The product of its digits is 1792336896, while the sum is 78.

The spelling of 97678487679 in words is "ninety-seven billion, six hundred seventy-eight million, four hundred eighty-seven thousand, six hundred seventy-nine".