97896919 has 4 divisors (see below), whose sum is σ = 97916896. Its totient is φ = 97876944.

The previous prime is 97896913. The next prime is 97896961. The reversal of 97896919 is 91969879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91969879 = 457 ⋅201247.

It is a cyclic number.

It is not a de Polignac number, because 97896919 - 2¹⁹ = 97372631 is a prime.

It is a super-2 number, since 2×97896919² = 19167613499385122, which 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 (97896913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947 + ... + 14299.

It is an arithmetic number, because the mean of its divisors is an integer number (24479224).

Almost surely, 2^97896919 is an apocalyptic number.

97896919 is a deficient number, since it is larger than the sum of its proper divisors (19977).

97896919 is a wasteful number, since it uses less digits than its factorization.

97896919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19976.

The product of its digits is 2204496, while the sum is 58.

The square root of 97896919 is about 9894.2871900911. The cubic root of 97896919 is about 460.8819233860.

The spelling of 97896919 in words is "ninety-seven million, eight hundred ninety-six thousand, nine hundred nineteen".