1852806985708 has 24 divisors (see below), whose sum is σ = 3707660242944. Its totient is φ = 793621650000.

The previous prime is 1852806985619. The next prime is 1852806985709. The reversal of 1852806985708 is 8075896082581.

It is a super-2 number, since 2×1852806985708² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1852806985709) 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, 18218668 + ... + 18320083.

It is an arithmetic number, because the mean of its divisors is an integer number (154485843456).

Almost surely, 2^{1852806985708} is an apocalyptic number.

It is an amenable number.

1852806985708 is an abundant number, since it is smaller than the sum of its proper divisors (1854853257236).

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

1852806985708 is a wasteful number, since it uses less digits than its factorization.

1852806985708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36540573 (or 36540571 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 67.

The spelling of 1852806985708 in words is "one trillion, eight hundred fifty-two billion, eight hundred six million, nine hundred eighty-five thousand, seven hundred eight".