97695115919 has 4 divisors (see below), whose sum is σ = 98114408496. Its totient is φ = 97275823344.

The previous prime is 97695115909. The next prime is 97695115927. The reversal of 97695115919 is 91951159679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91951159679 = 56891 ⋅1616269.

It is a cyclic number.

It is not a de Polignac number, because 97695115919 - 2⁸ = 97695115663 is a prime.

It is a super-2 number, since 2×97695115919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97695115909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209645939 + ... + 209646404.

It is an arithmetic number, because the mean of its divisors is an integer number (24528602124).

Almost surely, 2^97695115919 is an apocalyptic number.

97695115919 is a deficient number, since it is larger than the sum of its proper divisors (419292577).

97695115919 is a wasteful number, since it uses less digits than its factorization.

97695115919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419292576.

The product of its digits is 6889050, while the sum is 62.

The spelling of 97695115919 in words is "ninety-seven billion, six hundred ninety-five million, one hundred fifteen thousand, nine hundred nineteen".