8456977 has 4 divisors (see below), whose sum is σ = 8572900. Its totient is φ = 8341056.

The previous prime is 8456969. The next prime is 8456989. The reversal of 8456977 is 7796548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 2547216 = 2431^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 8456977 - 2³ = 8456969 is a prime.

It is a Duffinian number.

8456977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8456927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57852 + ... + 57997.

It is an arithmetic number, because the mean of its divisors is an integer number (2143225).

Almost surely, 2^8456977 is an apocalyptic number.

It is an amenable number.

8456977 is a deficient number, since it is larger than the sum of its proper divisors (115923).

8456977 is a wasteful number, since it uses less digits than its factorization.

8456977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115922.

The product of its digits is 423360, while the sum is 46.

The square root of 8456977 is about 2908.0882036142. The cubic root of 8456977 is about 203.7378488996.

The spelling of 8456977 in words is "eight million, four hundred fifty-six thousand, nine hundred seventy-seven".