852578331654 has 16 divisors (see below), whose sum is σ = 1948750472448. Its totient is φ = 243593809032.

The previous prime is 852578331643. The next prime is 852578331659. The reversal of 852578331654 is 456133875258.

It is a junction number, because it is equal to n+sod(n) for n = 852578331594 and 852578331603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852578331659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10149742002 + ... + 10149742085.

It is an arithmetic number, because the mean of its divisors is an integer number (121796904528).

Almost surely, 2^852578331654 is an apocalyptic number.

852578331654 is an abundant number, since it is smaller than the sum of its proper divisors (1096172140794).

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

852578331654 is a wasteful number, since it uses less digits than its factorization.

852578331654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20299484099.

The product of its digits is 24192000, while the sum is 57.

The spelling of 852578331654 in words is "eight hundred fifty-two billion, five hundred seventy-eight million, three hundred thirty-one thousand, six hundred fifty-four".