7776351066 has 32 divisors (see below), whose sum is σ = 17327582208. Its totient is φ = 2306331440.

The previous prime is 7776351053. The next prime is 7776351109. The reversal of 7776351066 is 6601536777.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250340 + ... + 1256543.

It is an arithmetic number, because the mean of its divisors is an integer number (541486944).

Almost surely, 2^7776351066 is an apocalyptic number.

7776351066 is an abundant number, since it is smaller than the sum of its proper divisors (9551231142).

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

7776351066 is a wasteful number, since it uses less digits than its factorization.

7776351066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506946.

The product of its (nonzero) digits is 1111320, while the sum is 48.

The square root of 7776351066 is about 88183.6213023711. The cubic root of 7776351066 is about 1981.1861635587.

The spelling of 7776351066 in words is "seven billion, seven hundred seventy-six million, three hundred fifty-one thousand, sixty-six".