77805383001340 has 48 divisors (see below), whose sum is σ = 164349350871552. Its totient is φ = 30940154127936.

The previous prime is 77805383001317. The next prime is 77805383001361. The reversal of 77805383001340 is 4310038350877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12625134 + ... + 17748373.

It is an arithmetic number, because the mean of its divisors is an integer number (3423944809824).

Almost surely, 2^{77805383001340} is an apocalyptic number.

It is an amenable number.

77805383001340 is an abundant number, since it is smaller than the sum of its proper divisors (86543967870212).

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

77805383001340 is a wasteful number, since it uses less digits than its factorization.

77805383001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30374266 (or 30374264 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 77805383001340 in words is "seventy-seven trillion, eight hundred five billion, three hundred eighty-three million, one thousand, three hundred forty".