66777114404 has 48 divisors (see below), whose sum is σ = 156902879616. Its totient is φ = 24015744000.

The previous prime is 66777114403. The next prime is 66777114421. The reversal of 66777114404 is 40441177766.

It is not an unprimeable number, because it can be changed into a prime (66777114403) 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, 8334797 + ... + 8342804.

It is an arithmetic number, because the mean of its divisors is an integer number (3268809992).

Almost surely, 2^66777114404 is an apocalyptic number.

It is an amenable number.

66777114404 is an abundant number, since it is smaller than the sum of its proper divisors (90125765212).

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

66777114404 is a wasteful number, since it uses less digits than its factorization.

66777114404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677636 (or 16677634 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

It can be divided in two parts, 66777 and 114404, that added together give a palindrome (181181).

The spelling of 66777114404 in words is "sixty-six billion, seven hundred seventy-seven million, one hundred fourteen thousand, four hundred four".