9977005 has 8 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 7963728.

The previous prime is 9976937. The next prime is 9977021. The reversal of 9977005 is 5007799.

9977005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9977005 - 2¹¹ = 9974957 is a prime.

It is a Duffinian number.

9977005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 4498.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^9977005 is an apocalyptic number.

It is an amenable number.

9977005 is a deficient number, since it is larger than the sum of its proper divisors (2022227).

9977005 is a wasteful number, since it uses less digits than its factorization.

9977005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 9977005 is about 3158.6397388749. The cubic root of 9977005 is about 215.2782048444.

The spelling of 9977005 in words is "nine million, nine hundred seventy-seven thousand, five".