7887055 has 8 divisors (see below), whose sum is σ = 10324944. Its totient is φ = 5736000.

The previous prime is 7887053. The next prime is 7887083. The reversal of 7887055 is 5507887.

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

It is not a de Polignac number, because 7887055 - 2¹ = 7887053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7886999 and 7887017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7887053) 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 7 ways as a sum of consecutive naturals, for example, 71646 + ... + 71755.

It is an arithmetic number, because the mean of its divisors is an integer number (1290618).

Almost surely, 2^7887055 is an apocalyptic number.

7887055 is a deficient number, since it is larger than the sum of its proper divisors (2437889).

7887055 is a wasteful number, since it uses less digits than its factorization.

7887055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143417.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 7887055 is about 2808.3901082293. The cubic root of 7887055 is about 199.0543272293.

The spelling of 7887055 in words is "seven million, eight hundred eighty-seven thousand, fifty-five".