7874887 has 2 divisors, whose sum is σ = 7874888. Its totient is φ = 7874886.

The previous prime is 7874861. The next prime is 7874929. The reversal of 7874887 is 7884787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7874887 - 2¹⁵ = 7842119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7874887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7874827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937443 + 3937444.

It is an arithmetic number, because the mean of its divisors is an integer number (3937444).

Almost surely, 2^7874887 is an apocalyptic number.

7874887 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874887 is an equidigital number, since it uses as much as digits as its factorization.

7874887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 702464, while the sum is 49.

The square root of 7874887 is about 2806.2229063280. Note that the first 3 decimals coincide. The cubic root of 7874887 is about 198.9519087851.

The spelling of 7874887 in words is "seven million, eight hundred seventy-four thousand, eight hundred eighty-seven".