9977045 has 16 divisors (see below), whose sum is σ = 13653360. Its totient is φ = 6933504.

The previous prime is 9977041. The next prime is 9977047. The reversal of 9977045 is 5407799.

9977045 = 2233² + 2234².

It is a happy number.

9977045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 625681 + 9351364 = 791^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 9977045 - 2² = 9977041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9976993 and 9977011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977041) 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, 3410 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (853335).

Almost surely, 2^9977045 is an apocalyptic number.

9977045 is the 2234-th centered square number.

It is an amenable number.

9977045 is a deficient number, since it is larger than the sum of its proper divisors (3676315).

9977045 is a wasteful number, since it uses less digits than its factorization.

9977045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 9977045 is about 3158.6460707081. The cubic root of 9977045 is about 215.2784925432.

The spelling of 9977045 in words is "nine million, nine hundred seventy-seven thousand, forty-five".