7776906142 has 32 divisors (see below), whose sum is σ = 12375129600. Its totient is φ = 3657680928.

The previous prime is 7776906127. The next prime is 7776906143. The reversal of 7776906142 is 2416096777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776906143) 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 15 ways as a sum of consecutive naturals, for example, 2183359 + ... + 2186917.

It is an arithmetic number, because the mean of its divisors is an integer number (386722800).

Almost surely, 2^7776906142 is an apocalyptic number.

7776906142 is a deficient number, since it is larger than the sum of its proper divisors (4598223458).

7776906142 is a wasteful number, since it uses less digits than its factorization.

7776906142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 7776906142 is about 88186.7685199996. The cubic root of 7776906142 is about 1981.2333014651.

The spelling of 7776906142 in words is "seven billion, seven hundred seventy-six million, nine hundred six thousand, one hundred forty-two".