7087867 has 2 divisors, whose sum is σ = 7087868. Its totient is φ = 7087866.

The previous prime is 7087853. The next prime is 7087879. The reversal of 7087867 is 7687807.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7087867 is a prime.

7087867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7087807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543933 + 3543934.

It is an arithmetic number, because the mean of its divisors is an integer number (3543934).

Almost surely, 2^7087867 is an apocalyptic number.

7087867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7087867 is an equidigital number, since it uses as much as digits as its factorization.

7087867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 7087867 is about 2662.3048285273. The cubic root of 7087867 is about 192.0901901939.

The spelling of 7087867 in words is "seven million, eighty-seven thousand, eight hundred sixty-seven".