97843234879 has 32 divisors (see below), whose sum is σ = 114839928000. Its totient is φ = 82540975104.

The previous prime is 97843234843. The next prime is 97843234897.

97843234879 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 97843234879 - 2⁷ = 97843234751 is a prime.

It is a super-2 number, since 2×97843234879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97843234879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97843234679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9227809 + ... + 9238405.

It is an arithmetic number, because the mean of its divisors is an integer number (3588747750).

Almost surely, 2^97843234879 is an apocalyptic number.

97843234879 is a deficient number, since it is larger than the sum of its proper divisors (16996693121).

97843234879 is a wasteful number, since it uses less digits than its factorization.

97843234879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947.

The product of its digits is 73156608, while the sum is 64.

The spelling of 97843234879 in words is "ninety-seven billion, eight hundred forty-three million, two hundred thirty-four thousand, eight hundred seventy-nine".