727887 has 4 divisors (see below), whose sum is σ = 970520. Its totient is φ = 485256.

The previous prime is 727879. The next prime is 727891. The reversal of 727887 is 788727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788727 = 3 ⋅262909.

It is not a de Polignac number, because 727887 - 2³ = 727879 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 727887.

It is not an unprimeable number, because it can be changed into a prime (727807) 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, 121312 + ... + 121317.

It is an arithmetic number, because the mean of its divisors is an integer number (242630).

2⁷²⁷⁸⁸⁷ is an apocalyptic number.

727887 is a deficient number, since it is larger than the sum of its proper divisors (242633).

727887 is a wasteful number, since it uses less digits than its factorization.

727887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242632.

The product of its digits is 43904, while the sum is 39.

The square root of 727887 is about 853.1629387169. The cubic root of 727887 is about 89.9541742014.

The spelling of 727887 in words is "seven hundred twenty-seven thousand, eight hundred eighty-seven".