6996887 has 4 divisors (see below), whose sum is σ = 7043376. Its totient is φ = 6950400.

The previous prime is 6996851. The next prime is 6996907. The reversal of 6996887 is 7886996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6996887 - 2⁶ = 6996823 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 (6966887) 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 3 ways as a sum of consecutive naturals, for example, 23018 + ... + 23319.

It is an arithmetic number, because the mean of its divisors is an integer number (1760844).

Almost surely, 2^6996887 is an apocalyptic number.

6996887 is a deficient number, since it is larger than the sum of its proper divisors (46489).

6996887 is a wasteful number, since it uses less digits than its factorization.

6996887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46488.

The product of its digits is 1306368, while the sum is 53.

The square root of 6996887 is about 2645.1629439413. The cubic root of 6996887 is about 191.2647571451.

The spelling of 6996887 in words is "six million, nine hundred ninety-six thousand, eight hundred eighty-seven".