8999977 has 16 divisors (see below), whose sum is σ = 11056000. Its totient is φ = 7302960.

The previous prime is 8999971. The next prime is 8999981. The reversal of 8999977 is 7799998.

It is not a de Polignac number, because 8999977 - 2⁷ = 8999849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8999971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5827 + ... + 7207.

It is an arithmetic number, because the mean of its divisors is an integer number (691000).

Almost surely, 2^8999977 is an apocalyptic number.

It is an amenable number.

8999977 is a deficient number, since it is larger than the sum of its proper divisors (2056023).

8999977 is a wasteful number, since it uses less digits than its factorization.

8999977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1407 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 58.

The square root of 8999977 is about 2999.9961666642. The cubic root of 8999977 is about 208.0082051127.

The spelling of 8999977 in words is "eight million, nine hundred ninety-nine thousand, nine hundred seventy-seven".