2086213830788 has 24 divisors (see below), whose sum is σ = 3856287240960. Its totient is φ = 985982528160.

The previous prime is 2086213830781. The next prime is 2086213830809. The reversal of 2086213830788 is 8870383126802.

It is a happy number.

It is a super-2 number, since 2×2086213830788² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2086213830781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195626123 + ... + 195636786.

It is an arithmetic number, because the mean of its divisors is an integer number (160678635040).

Almost surely, 2^{2086213830788} is an apocalyptic number.

It is an amenable number.

2086213830788 is a deficient number, since it is larger than the sum of its proper divisors (1770073410172).

2086213830788 is a wasteful number, since it uses less digits than its factorization.

2086213830788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391262987 (or 391262985 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 2086213830788 in words is "two trillion, eighty-six billion, two hundred thirteen million, eight hundred thirty thousand, seven hundred eighty-eight".