97897969 has 8 divisors (see below), whose sum is σ = 108829952. Its totient is φ = 87451920.

The previous prime is 97897931. The next prime is 97897973. The reversal of 97897969 is 96979879.

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 97897969 - 2¹¹ = 97895921 is a prime.

It is a super-2 number, since 2×97897969² = 19168024668649922, which 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 97897969.

It is not an unprimeable number, because it can be changed into a prime (97897999) 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 7 ways as a sum of consecutive naturals, for example, 121059 + ... + 121864.

It is an arithmetic number, because the mean of its divisors is an integer number (13603744).

Almost surely, 2^97897969 is an apocalyptic number.

97897969 is the 5713-rd hex number.

It is an amenable number.

97897969 is a deficient number, since it is larger than the sum of its proper divisors (10931983).

97897969 is a wasteful number, since it uses less digits than its factorization.

97897969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242967.

The product of its digits is 15431472, while the sum is 64.

The square root of 97897969 is about 9894.3402508707. The cubic root of 97897969 is about 460.8835711201.

The spelling of 97897969 in words is "ninety-seven million, eight hundred ninety-seven thousand, nine hundred sixty-nine".