720005384877 has 16 divisors (see below), whose sum is σ = 964381662720. Its totient is φ = 477816659712.

The previous prime is 720005384849. The next prime is 720005384893. The reversal of 720005384877 is 778483500027.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-720005384877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720005384977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12071793 + ... + 12131289.

It is an arithmetic number, because the mean of its divisors is an integer number (60273853920).

Almost surely, 2^720005384877 is an apocalyptic number.

It is an amenable number.

720005384877 is a deficient number, since it is larger than the sum of its proper divisors (244376277843).

720005384877 is a wasteful number, since it uses less digits than its factorization.

720005384877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77812.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 720005384877 in words is "seven hundred twenty billion, five million, three hundred eighty-four thousand, eight hundred seventy-seven".