7849886651806 has 16 divisors (see below), whose sum is σ = 12410686123200. Its totient is φ = 3718098555808.

The previous prime is 7849886651699. The next prime is 7849886651807. The reversal of 7849886651806 is 6081566889487.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849886651807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276816486 + ... + 1276822633.

It is an arithmetic number, because the mean of its divisors is an integer number (775667882700).

Almost surely, 2^{7849886651806} is an apocalyptic number.

7849886651806 is a deficient number, since it is larger than the sum of its proper divisors (4560799471394).

7849886651806 is a wasteful number, since it uses less digits than its factorization.

7849886651806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553639203.

The product of its (nonzero) digits is 1114767360, while the sum is 76.

The spelling of 7849886651806 in words is "seven trillion, eight hundred forty-nine billion, eight hundred eighty-six million, six hundred fifty-one thousand, eight hundred six".