97998277 has 8 divisors (see below), whose sum is σ = 105880320. Its totient is φ = 90165360.

The previous prime is 97998253. The next prime is 97998283. The reversal of 97998277 is 77289979.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97998277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97992277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077 + ... + 16162.

It is an arithmetic number, because the mean of its divisors is an integer number (13235040).

Almost surely, 2^97998277 is an apocalyptic number.

It is an amenable number.

97998277 is a deficient number, since it is larger than the sum of its proper divisors (7882043).

97998277 is a wasteful number, since it uses less digits than its factorization.

97998277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563.

The product of its digits is 4000752, while the sum is 58.

The square root of 97998277 is about 9899.4079115874. The cubic root of 97998277 is about 461.0409272234.

The spelling of 97998277 in words is "ninety-seven million, nine hundred ninety-eight thousand, two hundred seventy-seven".