72782800783 has 16 divisors (see below), whose sum is σ = 92955421440. Its totient is φ = 55330603200.

The previous prime is 72782800781. The next prime is 72782800799. The reversal of 72782800783 is 38700828727.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72782800783 - 2¹ = 72782800781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72782800783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72782800781) 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, 11524053 + ... + 11530366.

It is an arithmetic number, because the mean of its divisors is an integer number (5809713840).

Almost surely, 2^72782800783 is an apocalyptic number.

72782800783 is a deficient number, since it is larger than the sum of its proper divisors (20172620657).

72782800783 is a wasteful number, since it uses less digits than its factorization.

72782800783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23054478.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 72782800783 in words is "seventy-two billion, seven hundred eighty-two million, eight hundred thousand, seven hundred eighty-three".