7777407434066 has 16 divisors (see below), whose sum is σ = 11721976128000. Its totient is φ = 3870095135760.

The previous prime is 7777407434059. The next prime is 7777407434119. The reversal of 7777407434066 is 6604347047777.

It is an unprimeable number.

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, 2078066 + ... + 4457933.

It is an arithmetic number, because the mean of its divisors is an integer number (732623508000).

Almost surely, 2^{7777407434066} is an apocalyptic number.

7777407434066 is a deficient number, since it is larger than the sum of its proper divisors (3944568693934).

7777407434066 is a wasteful number, since it uses less digits than its factorization.

7777407434066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538849.

The product of its (nonzero) digits is 116169984, while the sum is 62.

The spelling of 7777407434066 in words is "seven trillion, seven hundred seventy-seven billion, four hundred seven million, four hundred thirty-four thousand, sixty-six".