77066740673330 has 8 divisors (see below), whose sum is σ = 138720133212012. Its totient is φ = 30826696269328.

The previous prime is 77066740673311. The next prime is 77066740673333. The reversal of 77066740673330 is 3337604766077.

It can be written as a sum of positive squares in 2 ways, for example, as 76178315664361 + 888425008969 = 8728019^2 + 942563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77066740673330.

It is not an unprimeable number, because it can be changed into a prime (77066740673333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853337033657 + ... + 3853337033676.

Almost surely, 2^{77066740673330} is an apocalyptic number.

77066740673330 is a deficient number, since it is larger than the sum of its proper divisors (61653392538682).

77066740673330 is a wasteful number, since it uses less digits than its factorization.

77066740673330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706674067340.

The product of its (nonzero) digits is 56010528, while the sum is 59.

The spelling of 77066740673330 in words is "seventy-seven trillion, sixty-six billion, seven hundred forty million, six hundred seventy-three thousand, three hundred thirty".