2728785693 has 8 divisors (see below), whose sum is σ = 3652216128. Its totient is φ = 1812272864.

The previous prime is 2728785677. The next prime is 2728785701. The reversal of 2728785693 is 3965878272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2728785693 - 2⁴ = 2728785677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728785673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728480 + ... + 1730057.

It is an arithmetic number, because the mean of its divisors is an integer number (456527016).

Almost surely, 2^2728785693 is an apocalyptic number.

It is an amenable number.

2728785693 is a deficient number, since it is larger than the sum of its proper divisors (923430435).

2728785693 is a wasteful number, since it uses less digits than its factorization.

2728785693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458803.

The product of its digits is 10160640, while the sum is 57.

The square root of 2728785693 is about 52237.7803222916. The cubic root of 2728785693 is about 1397.4077359048.

The spelling of 2728785693 in words is "two billion, seven hundred twenty-eight million, seven hundred eighty-five thousand, six hundred ninety-three".