9977159 has 4 divisors (see below), whose sum is σ = 10018800. Its totient is φ = 9935520.

The previous prime is 9977141. The next prime is 9977183. The reversal of 9977159 is 9517799.

It is a happy number.

9977159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9977159 - 2¹⁶ = 9911623 is a prime.

It is a super-2 number, since 2×9977159² = 199087403422562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20459 + ... + 20940.

It is an arithmetic number, because the mean of its divisors is an integer number (2504700).

Almost surely, 2^9977159 is an apocalyptic number.

9977159 is a deficient number, since it is larger than the sum of its proper divisors (41641).

9977159 is a wasteful number, since it uses less digits than its factorization.

9977159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41640.

The product of its digits is 178605, while the sum is 47.

The square root of 9977159 is about 3158.6641163631. The cubic root of 9977159 is about 215.2793124805.

The spelling of 9977159 in words is "nine million, nine hundred seventy-seven thousand, one hundred fifty-nine".