9877970 has 8 divisors (see below), whose sum is σ = 17780364. Its totient is φ = 3951184.

The previous prime is 9877961. The next prime is 9877997. The reversal of 9877970 is 797789.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 24649 = 3139^2 + 157^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493889 + ... + 493908.

Almost surely, 2^9877970 is an apocalyptic number.

9877970 is a deficient number, since it is larger than the sum of its proper divisors (7902394).

9877970 is a wasteful number, since it uses less digits than its factorization.

9877970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987804.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 9877970 is about 3142.9237979945. The cubic root of 9877970 is about 214.5635277119.

The spelling of 9877970 in words is "nine million, eight hundred seventy-seven thousand, nine hundred seventy".