9916977 has 16 divisors (see below), whose sum is σ = 15320960. Its totient is φ = 5588352.

The previous prime is 9916969. The next prime is 9916981. The reversal of 9916977 is 7796199.

It is not a de Polignac number, because 9916977 - 2³ = 9916969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9916177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (957560).

Almost surely, 2^9916977 is an apocalyptic number.

It is an amenable number.

9916977 is a deficient number, since it is larger than the sum of its proper divisors (5403983).

9916977 is a wasteful number, since it uses less digits than its factorization.

9916977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552.

The product of its digits is 214326, while the sum is 48.

The square root of 9916977 is about 3149.1232113082. The cubic root of 9916977 is about 214.8455858986.

The spelling of 9916977 in words is "nine million, nine hundred sixteen thousand, nine hundred seventy-seven".