7766234220842 has 16 divisors (see below), whose sum is σ = 12263069260800. Its totient is φ = 3678564273120.

The previous prime is 7766234220839. The next prime is 7766234220847. The reversal of 7766234220842 is 2480224326677.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7766234220847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4155242 + ... + 5726997.

It is an arithmetic number, because the mean of its divisors is an integer number (766441828800).

Almost surely, 2^{7766234220842} is an apocalyptic number.

7766234220842 is a deficient number, since it is larger than the sum of its proper divisors (4496835039958).

7766234220842 is a wasteful number, since it uses less digits than its factorization.

7766234220842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902941.

The product of its (nonzero) digits is 10838016, while the sum is 53.

The spelling of 7766234220842 in words is "seven trillion, seven hundred sixty-six billion, two hundred thirty-four million, two hundred twenty thousand, eight hundred forty-two".