97689937219 has 16 divisors (see below), whose sum is σ = 111806670528. Its totient is φ = 83613560832.

The previous prime is 97689937211. The next prime is 97689937223. The reversal of 97689937219 is 91273998679.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97689937219 - 2³ = 97689937211 is a prime.

It is a super-2 number, since 2×97689937219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97689937211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21065169 + ... + 21069805.

It is an arithmetic number, because the mean of its divisors is an integer number (6987916908).

Almost surely, 2^97689937219 is an apocalyptic number.

97689937219 is a deficient number, since it is larger than the sum of its proper divisors (14116733309).

97689937219 is a wasteful number, since it uses less digits than its factorization.

97689937219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334.

The product of its digits is 92588832, while the sum is 70.

The spelling of 97689937219 in words is "ninety-seven billion, six hundred eighty-nine million, nine hundred thirty-seven thousand, two hundred nineteen".