97854857 has 4 divisors (see below), whose sum is σ = 102109440. Its totient is φ = 93600276.

The previous prime is 97854829. The next prime is 97854871. The reversal of 97854857 is 75845879.

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 97854857 - 2¹² = 97850761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97854799 and 97854808.

It is not an unprimeable number, because it can be changed into a prime (97854157) 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 3 ways as a sum of consecutive naturals, for example, 2127257 + ... + 2127302.

It is an arithmetic number, because the mean of its divisors is an integer number (25527360).

Almost surely, 2^97854857 is an apocalyptic number.

It is an amenable number.

97854857 is a deficient number, since it is larger than the sum of its proper divisors (4254583).

97854857 is a wasteful number, since it uses less digits than its factorization.

97854857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254582.

The product of its digits is 2822400, while the sum is 53.

The square root of 97854857 is about 9892.1613917283. The cubic root of 97854857 is about 460.8159070336.

The spelling of 97854857 in words is "ninety-seven million, eight hundred fifty-four thousand, eight hundred fifty-seven".