77053180386 has 32 divisors (see below), whose sum is σ = 189669368448. Its totient is φ = 20321717760.

The previous prime is 77053180381. The next prime is 77053180397. The reversal of 77053180386 is 68308135077.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77053180381) 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, 70560975 + ... + 70562066.

It is an arithmetic number, because the mean of its divisors is an integer number (5927167764).

Almost surely, 2^77053180386 is an apocalyptic number.

77053180386 is an abundant number, since it is smaller than the sum of its proper divisors (112616188062).

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

77053180386 is a wasteful number, since it uses less digits than its factorization.

77053180386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141123066.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 77053180386 in words is "seventy-seven billion, fifty-three million, one hundred eighty thousand, three hundred eighty-six".