97442986879 has 8 divisors (see below), whose sum is σ = 111365303840. Its totient is φ = 83521142496.

The previous prime is 97442986841. The next prime is 97442986889. The reversal of 97442986879 is 97868924479.

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 97442986879 - 2¹³ = 97442978687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97442986889) 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, 722377 + ... + 846589.

It is an arithmetic number, because the mean of its divisors is an integer number (13920662980).

Almost surely, 2^97442986879 is an apocalyptic number.

97442986879 is a deficient number, since it is larger than the sum of its proper divisors (13922316961).

97442986879 is a wasteful number, since it uses less digits than its factorization.

97442986879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236289.

The product of its digits is 438939648, while the sum is 73.

The spelling of 97442986879 in words is "ninety-seven billion, four hundred forty-two million, nine hundred eighty-six thousand, eight hundred seventy-nine".