77418000044680 has 64 divisors (see below), whose sum is σ = 174300632927280. Its totient is φ = 30947625676800.

The previous prime is 77418000044663. The next prime is 77418000044687. The reversal of 77418000044680 is 8644000081477.

It can be written as a sum of positive squares in 8 ways, for example, as 7029826509924 + 70388173534756 = 2651382^2 + 8389766^2 .

It is not an unprimeable number, because it can be changed into a prime (77418000044687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543667090 + ... + 543809470.

Almost surely, 2^{77418000044680} is an apocalyptic number.

It is an amenable number.

77418000044680 is an abundant number, since it is smaller than the sum of its proper divisors (96882632882600).

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

77418000044680 is a wasteful number, since it uses less digits than its factorization.

77418000044680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150890 (or 150886 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 77418000044680 in words is "seventy-seven trillion, four hundred eighteen billion, forty-four thousand, six hundred eighty".