6787977 has 16 divisors (see below), whose sum is σ = 10678272. Its totient is φ = 3753360.

The previous prime is 6787961. The next prime is 6788021. The reversal of 6787977 is 7797876.

6787977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6787977 - 2⁴ = 6787961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6787577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4563 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (667392).

Almost surely, 2^6787977 is an apocalyptic number.

It is an amenable number.

6787977 is a deficient number, since it is larger than the sum of its proper divisors (3890295).

6787977 is a wasteful number, since it uses less digits than its factorization.

6787977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468.

The product of its digits is 1037232, while the sum is 51.

The square root of 6787977 is about 2605.3746371683. The cubic root of 6787977 is about 189.3419246443.

The spelling of 6787977 in words is "six million, seven hundred eighty-seven thousand, nine hundred seventy-seven".