6840877 has 4 divisors (see below), whose sum is σ = 6852160. Its totient is φ = 6829596.

The previous prime is 6840871. The next prime is 6840929. The reversal of 6840877 is 7780486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6840877 - 2¹⁹ = 6316589 is a prime.

It is an Ulam number.

It is a Duffinian number.

6840877 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840871) 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, 4677 + ... + 5962.

It is an arithmetic number, because the mean of its divisors is an integer number (1713040).

Almost surely, 2^6840877 is an apocalyptic number.

It is an amenable number.

6840877 is a deficient number, since it is larger than the sum of its proper divisors (11283).

6840877 is a wasteful number, since it uses less digits than its factorization.

6840877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 6840877 is about 2615.5070254159. The cubic root of 6840877 is about 189.8325116793.

The spelling of 6840877 in words is "six million, eight hundred forty thousand, eight hundred seventy-seven".