9660878 has 4 divisors (see below), whose sum is σ = 14491320. Its totient is φ = 4830438.

The previous prime is 9660869. The next prime is 9660881. The reversal of 9660878 is 8780669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8780669 = 53 ⋅165673.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2415218 + ... + 2415221.

It is an arithmetic number, because the mean of its divisors is an integer number (3622830).

Almost surely, 2^9660878 is an apocalyptic number.

9660878 is a deficient number, since it is larger than the sum of its proper divisors (4830442).

9660878 is a wasteful number, since it uses less digits than its factorization.

9660878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830441.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 9660878 is about 3108.1952963094. The cubic root of 9660878 is about 212.9800211962.

The spelling of 9660878 in words is "nine million, six hundred sixty thousand, eight hundred seventy-eight".