8459977 has 4 divisors (see below), whose sum is σ = 8465796. Its totient is φ = 8454160.

The previous prime is 8459933. The next prime is 8459987. The reversal of 8459977 is 7799548.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3059001 + 5400976 = 1749^2 + 2324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8459977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8459977.

It is not an unprimeable number, because it can be changed into a prime (8459917) 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, 1383 + ... + 4339.

It is an arithmetic number, because the mean of its divisors is an integer number (2116449).

Almost surely, 2^8459977 is an apocalyptic number.

It is an amenable number.

8459977 is a deficient number, since it is larger than the sum of its proper divisors (5819).

8459977 is a wasteful number, since it uses less digits than its factorization.

8459977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its digits is 635040, while the sum is 49.

The square root of 8459977 is about 2908.6039606657. The cubic root of 8459977 is about 203.7619371480.

The spelling of 8459977 in words is "eight million, four hundred fifty-nine thousand, nine hundred seventy-seven".