97866266879 has 8 divisors (see below), whose sum is σ = 100772704032. Its totient is φ = 94984565760.

The previous prime is 97866266873. The next prime is 97866266887.

It is a happy number.

97866266879 is nontrivially palindromic in base 10.

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 97866266879 - 2⁸ = 97866266623 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 (97866266873) 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, 6175979 + ... + 6191804.

It is an arithmetic number, because the mean of its divisors is an integer number (12596588004).

Almost surely, 2^97866266879 is an apocalyptic number.

97866266879 is a deficient number, since it is larger than the sum of its proper divisors (2906437153).

97866266879 is a wasteful number, since it uses less digits than its factorization.

97866266879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368017.

The product of its digits is 658409472, while the sum is 74.

The spelling of 97866266879 in words is "ninety-seven billion, eight hundred sixty-six million, two hundred sixty-six thousand, eight hundred seventy-nine".