728936954677 has 4 divisors (see below), whose sum is σ = 728939475180. Its totient is φ = 728934434176.

The previous prime is 728936954611. The next prime is 728936954689. The reversal of 728936954677 is 776459639827.

728936954677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452301981156 + 276634973521 = 672534^2 + 525961^2 .

It is a cyclic number.

It is not a de Polignac number, because 728936954677 - 2¹¹ = 728936952629 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 (728936754677) 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, 760348 + ... + 1426885.

It is an arithmetic number, because the mean of its divisors is an integer number (182234868795).

Almost surely, 2^728936954677 is an apocalyptic number.

It is an amenable number.

728936954677 is a deficient number, since it is larger than the sum of its proper divisors (2520503).

728936954677 is a wasteful number, since it uses less digits than its factorization.

728936954677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520502.

The product of its digits is 960180480, while the sum is 73.

The spelling of 728936954677 in words is "seven hundred twenty-eight billion, nine hundred thirty-six million, nine hundred fifty-four thousand, six hundred seventy-seven".