28727701446 has 32 divisors (see below), whose sum is σ = 58965350400. Its totient is φ = 9327221280.

The previous prime is 28727701439. The next prime is 28727701463. The reversal of 28727701446 is 64410772782.

It is a junction number, because it is equal to n+sod(n) for n = 28727701395 and 28727701404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333670 + ... + 410841.

It is an arithmetic number, because the mean of its divisors is an integer number (1842667200).

Almost surely, 2^28727701446 is an apocalyptic number.

28727701446 is an abundant number, since it is smaller than the sum of its proper divisors (30237648954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28727701446 is a wasteful number, since it uses less digits than its factorization.

28727701446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744684.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 28727701446 in words is "twenty-eight billion, seven hundred twenty-seven million, seven hundred one thousand, four hundred forty-six".