97699121 has 8 divisors (see below), whose sum is σ = 110752320. Its totient is φ = 85437072.

The previous prime is 97699099. The next prime is 97699141. The reversal of 97699121 is 12199679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-97699121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97699141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197525 + ... + 198018.

It is an arithmetic number, because the mean of its divisors is an integer number (13844040).

Almost surely, 2^97699121 is an apocalyptic number.

It is an amenable number.

97699121 is a deficient number, since it is larger than the sum of its proper divisors (13053199).

97699121 is a wasteful number, since it uses less digits than its factorization.

97699121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395575.

The product of its digits is 61236, while the sum is 44.

The square root of 97699121 is about 9884.2865701071. The cubic root of 97699121 is about 460.5713144003.

The spelling of 97699121 in words is "ninety-seven million, six hundred ninety-nine thousand, one hundred twenty-one".