858485097 has 24 divisors (see below), whose sum is σ = 1297153728. Its totient is φ = 546084000.

The previous prime is 858485093. The next prime is 858485119. The reversal of 858485097 is 790584858.

858485097 is a `hidden beast` number, since 8 + 584 + 8 + 50 + 9 + 7 = 666.

It is not a de Polignac number, because 858485097 - 2² = 858485093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (858485093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82222 + ... + 92072.

It is an arithmetic number, because the mean of its divisors is an integer number (54048072).

Almost surely, 2^858485097 is an apocalyptic number.

It is an amenable number.

858485097 is a deficient number, since it is larger than the sum of its proper divisors (438668631).

858485097 is a wasteful number, since it uses less digits than its factorization.

858485097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301 (or 10298 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 858485097 is about 29299.9163309386. The cubic root of 858485097 is about 950.4098312984.

The spelling of 858485097 in words is "eight hundred fifty-eight million, four hundred eighty-five thousand, ninety-seven".