7871255 has 16 divisors (see below), whose sum is σ = 11430720. Its totient is φ = 5079552.

The previous prime is 7871251. The next prime is 7871261. The reversal of 7871255 is 5521787.

7871255 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7871255 - 2² = 7871251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

7871255 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6020 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^7871255 is an apocalyptic number.

7871255 is a deficient number, since it is larger than the sum of its proper divisors (3559465).

7871255 is a wasteful number, since it uses less digits than its factorization.

7871255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13258.

The product of its digits is 19600, while the sum is 35.

The square root of 7871255 is about 2805.5756984975. The cubic root of 7871255 is about 198.9213176815.

The spelling of 7871255 in words is "seven million, eight hundred seventy-one thousand, two hundred fifty-five".