747887 has 6 divisors (see below), whose sum is σ = 870048. Its totient is φ = 641004.

The previous prime is 747871. The next prime is 747889. The reversal of 747887 is 788747.

It is a happy number.

It is not a de Polignac number, because 747887 - 2⁴ = 747871 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 (747889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7583 + ... + 7680.

It is an arithmetic number, because the mean of its divisors is an integer number (145008).

2⁷⁴⁷⁸⁸⁷ is an apocalyptic number.

747887 is a deficient number, since it is larger than the sum of its proper divisors (122161).

747887 is a wasteful number, since it uses less digits than its factorization.

747887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277 (or 15270 counting only the distinct ones).

The product of its digits is 87808, while the sum is 41.

The square root of 747887 is about 864.8046022079. The cubic root of 747887 is about 90.7706254804.

The spelling of 747887 in words is "seven hundred forty-seven thousand, eight hundred eighty-seven".