6780877 has 4 divisors (see below), whose sum is σ = 6788320. Its totient is φ = 6773436.

The previous prime is 6780871. The next prime is 6780881. The reversal of 6780877 is 7780876.

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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6780877 - 2¹¹ = 6778829 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780871) 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, 2127 + ... + 4252.

It is an arithmetic number, because the mean of its divisors is an integer number (1697080).

Almost surely, 2^6780877 is an apocalyptic number.

It is an amenable number.

6780877 is a deficient number, since it is larger than the sum of its proper divisors (7443).

6780877 is a wasteful number, since it uses less digits than its factorization.

6780877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442.

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

The square root of 6780877 is about 2604.0117127233. The cubic root of 6780877 is about 189.2758864788.

Subtracting 6780877 from its reverse (7780876), we obtain a palindrome (999999).

The spelling of 6780877 in words is "six million, seven hundred eighty thousand, eight hundred seventy-seven".