852709123458 has 48 divisors (see below), whose sum is σ = 1943118118656. Its totient is φ = 269877497760.

The previous prime is 852709123439. The next prime is 852709123463. The reversal of 852709123458 is 854321907258.

852709123458 is a `hidden beast` number, since 8 + 5 + 270 + 91 + 234 + 58 = 666.

It is a super-2 number, since 2×852709123458² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14386960 + ... + 14446107.

It is an arithmetic number, because the mean of its divisors is an integer number (40481627472).

Almost surely, 2^852709123458 is an apocalyptic number.

852709123458 is an abundant number, since it is smaller than the sum of its proper divisors (1090408995198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852709123458 is a wasteful number, since it uses less digits than its factorization.

852709123458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28833159 (or 28833156 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 852709123458 in words is "eight hundred fifty-two billion, seven hundred nine million, one hundred twenty-three thousand, four hundred fifty-eight".