728873382583 has 4 divisors (see below), whose sum is σ = 745823926408. Its totient is φ = 711922838760.

The previous prime is 728873382553. The next prime is 728873382599. The reversal of 728873382583 is 385283378827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385283378827 = 5431 ⋅70941517.

It is a cyclic number.

It is not a de Polignac number, because 728873382583 - 2¹³ = 728873374391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728873382553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8475271848 + ... + 8475271933.

It is an arithmetic number, because the mean of its divisors is an integer number (186455981602).

Almost surely, 2^728873382583 is an apocalyptic number.

728873382583 is a deficient number, since it is larger than the sum of its proper divisors (16950543825).

728873382583 is a wasteful number, since it uses less digits than its factorization.

728873382583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16950543824.

The product of its digits is 108380160, while the sum is 64.

The spelling of 728873382583 in words is "seven hundred twenty-eight billion, eight hundred seventy-three million, three hundred eighty-two thousand, five hundred eighty-three".