6423777 has 6 divisors (see below), whose sum is σ = 9278802. Its totient is φ = 4282512.

The previous prime is 6423763. The next prime is 6423779. The reversal of 6423777 is 7773246.

6423777 is a `hidden beast` number, since 642 + 3 + 7 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 2702736 = 1929^2 + 1644^2 .

It is not a de Polignac number, because 6423777 - 2⁷ = 6423649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6423779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356868 + ... + 356885.

It is an arithmetic number, because the mean of its divisors is an integer number (1546467).

Almost surely, 2^6423777 is an apocalyptic number.

It is an amenable number.

6423777 is a deficient number, since it is larger than the sum of its proper divisors (2855025).

6423777 is a wasteful number, since it uses less digits than its factorization.

6423777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713759 (or 713756 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 6423777 is about 2534.5171137714. The cubic root of 6423777 is about 185.8931922343.

The spelling of 6423777 in words is "six million, four hundred twenty-three thousand, seven hundred seventy-seven".