9959877 has 6 divisors (see below), whose sum is σ = 14386502. Its totient is φ = 6639912.

The previous prime is 9959869. The next prime is 9959879. The reversal of 9959877 is 7789599.

It can be written as a sum of positive squares in only one way, i.e., 6687396 + 3272481 = 2586^2 + 1809^2 .

It is not a de Polignac number, because 9959877 - 2³ = 9959869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553318 + ... + 553335.

Almost surely, 2^9959877 is an apocalyptic number.

It is an amenable number.

9959877 is a deficient number, since it is larger than the sum of its proper divisors (4426625).

9959877 is a wasteful number, since it uses less digits than its factorization.

9959877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106659 (or 1106656 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The square root of 9959877 is about 3155.9272805310. The cubic root of 9959877 is about 215.1549414952.

The spelling of 9959877 in words is "nine million, nine hundred fifty-nine thousand, eight hundred seventy-seven".