6980871 has 4 divisors (see below), whose sum is σ = 9307832. Its totient is φ = 4653912.

The previous prime is 6980849. The next prime is 6980899. The reversal of 6980871 is 1780896.

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

It is not a de Polignac number, because 6980871 - 2¹⁵ = 6948103 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163476 + ... + 1163481.

It is an arithmetic number, because the mean of its divisors is an integer number (2326958).

Almost surely, 2^6980871 is an apocalyptic number.

6980871 is a deficient number, since it is larger than the sum of its proper divisors (2326961).

6980871 is a wasteful number, since it uses less digits than its factorization.

6980871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326960.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 6980871 is about 2642.1337967635. The cubic root of 6980871 is about 191.1187094985.

The spelling of 6980871 in words is "six million, nine hundred eighty thousand, eight hundred seventy-one".