852798449690 has 32 divisors (see below), whose sum is σ = 1699579882944. Its totient is φ = 305480039040.

The previous prime is 852798449677. The next prime is 852798449693. The reversal of 852798449690 is 96944897258.

It is a super-2 number, since 2×852798449690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (852798449693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57848699 + ... + 57863438.

It is an arithmetic number, because the mean of its divisors is an integer number (53111871342).

Almost surely, 2^852798449690 is an apocalyptic number.

852798449690 is a deficient number, since it is larger than the sum of its proper divisors (846781433254).

852798449690 is a wasteful number, since it uses less digits than its factorization.

852798449690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115712222.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 852798449690 in words is "eight hundred fifty-two billion, seven hundred ninety-eight million, four hundred forty-nine thousand, six hundred ninety".