97448857 has 4 divisors (see below), whose sum is σ = 106307856. Its totient is φ = 88589860.

The previous prime is 97448851. The next prime is 97448881. The reversal of 97448857 is 75884479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97448857 - 2²³ = 89060249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97448851) 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, 4429483 + ... + 4429504.

It is an arithmetic number, because the mean of its divisors is an integer number (26576964).

Almost surely, 2^97448857 is an apocalyptic number.

It is an amenable number.

97448857 is a deficient number, since it is larger than the sum of its proper divisors (8858999).

97448857 is a wasteful number, since it uses less digits than its factorization.

97448857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858998.

The product of its digits is 2257920, while the sum is 52.

The square root of 97448857 is about 9871.6187628980. The cubic root of 97448857 is about 460.1777148872.

The spelling of 97448857 in words is "ninety-seven million, four hundred forty-eight thousand, eight hundred fifty-seven".