728627476471 has 4 divisors (see below), whose sum is σ = 729541689912. Its totient is φ = 727713263032.

The previous prime is 728627476457. The next prime is 728627476483. The reversal of 728627476471 is 174674726827.

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

It is a cyclic number.

It is not a de Polignac number, because 728627476471 - 2²⁵ = 728593922039 is a prime.

It is a super-3 number, since 3×728627476471³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728627476271) 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, 457105525 + ... + 457107118.

It is an arithmetic number, because the mean of its divisors is an integer number (182385422478).

Almost surely, 2^728627476471 is an apocalyptic number.

728627476471 is a deficient number, since it is larger than the sum of its proper divisors (914213441).

728627476471 is an equidigital number, since it uses as much as digits as its factorization.

728627476471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914213440.

The product of its digits is 44255232, while the sum is 61.

The spelling of 728627476471 in words is "seven hundred twenty-eight billion, six hundred twenty-seven million, four hundred seventy-six thousand, four hundred seventy-one".