9877631 has 8 divisors (see below), whose sum is σ = 10196160. Its totient is φ = 9561888.

The previous prime is 9877627. The next prime is 9877633. The reversal of 9877631 is 1367789.

9877631 is digitally balanced in base 3, 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 9877631 - 2² = 9877627 is a prime.

It is a super-2 number, since 2×9877631² = 195135188344322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9877633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8285 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (1274520).

Almost surely, 2^9877631 is an apocalyptic number.

9877631 is a deficient number, since it is larger than the sum of its proper divisors (318529).

9877631 is a wasteful number, since it uses less digits than its factorization.

9877631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its digits is 63504, while the sum is 41.

The square root of 9877631 is about 3142.8698668574. The cubic root of 9877631 is about 214.5610731635.

The spelling of 9877631 in words is "nine million, eight hundred seventy-seven thousand, six hundred thirty-one".