6977977 has 4 divisors (see below), whose sum is σ = 7031376. Its totient is φ = 6924580.

The previous prime is 6977969. The next prime is 6978001. The reversal of 6977977 is 7797796.

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 6977977 - 2³ = 6977969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6977177) 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, 26503 + ... + 26764.

It is an arithmetic number, because the mean of its divisors is an integer number (1757844).

Almost surely, 2^6977977 is an apocalyptic number.

It is an amenable number.

6977977 is a deficient number, since it is larger than the sum of its proper divisors (53399).

6977977 is a wasteful number, since it uses less digits than its factorization.

6977977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53398.

The product of its digits is 1166886, while the sum is 52.

The square root of 6977977 is about 2641.5860765835. The cubic root of 6977977 is about 191.0922956984.

The spelling of 6977977 in words is "six million, nine hundred seventy-seven thousand, nine hundred seventy-seven".