8977977 has 6 divisors (see below), whose sum is σ = 12968202. Its totient is φ = 5985312.

The previous prime is 8977961. The next prime is 8978059. The reversal of 8977977 is 7797798.

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 2134521 = 2616^2 + 1461^2 .

It is not a de Polignac number, because 8977977 - 2⁴ = 8977961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8977957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498768 + ... + 498785.

It is an arithmetic number, because the mean of its divisors is an integer number (2161367).

Almost surely, 2^8977977 is an apocalyptic number.

It is an amenable number.

8977977 is a deficient number, since it is larger than the sum of its proper divisors (3990225).

8977977 is a wasteful number, since it uses less digits than its factorization.

8977977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997559 (or 997556 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 54.

The square root of 8977977 is about 2996.3272518201. The cubic root of 8977977 is about 207.8385782224.

The spelling of 8977977 in words is "eight million, nine hundred seventy-seven thousand, nine hundred seventy-seven".