97255279 has 4 divisors (see below), whose sum is σ = 106096680. Its totient is φ = 88413880.

The previous prime is 97255273. The next prime is 97255297.

97255279 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97255279 - 2³ = 97255271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97255271) 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, 4420684 + ... + 4420705.

It is an arithmetic number, because the mean of its divisors is an integer number (26524170).

Almost surely, 2^97255279 is an apocalyptic number.

97255279 is a deficient number, since it is larger than the sum of its proper divisors (8841401).

97255279 is a wasteful number, since it uses less digits than its factorization.

97255279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841400.

The product of its digits is 396900, while the sum is 46.

The square root of 97255279 is about 9861.8091139506. The cubic root of 97255279 is about 459.8728050971.

The spelling of 97255279 in words is "ninety-seven million, two hundred fifty-five thousand, two hundred seventy-nine".